Home / 2,631,938.60-3,949,751.10-1,687,605.80

Finding the Fourth Proportional to 2,631,938.60, 3,949,751.10 and 1,687,605.80

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Solution

The fourth proportional to 2,631,938.60, 3,949,751.10 and 1,687,605.80 is: 2,532,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,938.60 : 3,949,751.10 = 1,687,605.80 : x
  2. Step 2: Convert to fraction form
    2,631,938.60/3,949,751.10 = 1,687,605.80/x
  3. Step 3: Cross multiply
    2,631,938.60x = 3,949,751.10 × 1,687,605.80
  4. Step 4: Simplify right side
    2,631,938.60x = 6,665,622,864,916.38
  5. Step 5: Solve for x
    x = 6,665,622,864,916.38/2,631,938.60
  6. Step 6: Final answer
    x = 2,532,590.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.