Home / 3,447,805.65-4,755,691.89-2,156,404.02

Finding the Fourth Proportional to 3,447,805.65, 4,755,691.89 and 2,156,404.02

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Solution

The fourth proportional to 3,447,805.65, 4,755,691.89 and 2,156,404.02 is: 2,974,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,805.65 : 4,755,691.89 = 2,156,404.02 : x
  2. Step 2: Convert to fraction form
    3,447,805.65/4,755,691.89 = 2,156,404.02/x
  3. Step 3: Cross multiply
    3,447,805.65x = 4,755,691.89 × 2,156,404.02
  4. Step 4: Simplify right side
    3,447,805.65x = 10,255,193,109,477.40
  5. Step 5: Solve for x
    x = 10,255,193,109,477.40/3,447,805.65
  6. Step 6: Final answer
    x = 2,974,411.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.