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City and Regional Planning QUESTION #4990
Question 1
In Rank-Size Rule for cities, if the largest city has 5 million population, the fourth-ranked city should theoretically have:
  • 1.25 million✔️
  • 2.5 million
  • 4 million
  • 5 million
Correct Answer Explanation
Rank-Size Rule: $P_r = \frac{P_1}{r}$ where $P_r$ is population of rank $r$ city and $P_1$ is largest city. For rank 4: $P_4 = \frac{5,000,000}{4} = 1,250,000$ or 1.25 million.