Home / 2,872,013.57-3,963,310.47-1,565,306.90

Finding the Fourth Proportional to 2,872,013.57, 3,963,310.47 and 1,565,306.90

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Solution

The fourth proportional to 2,872,013.57, 3,963,310.47 and 1,565,306.90 is: 2,160,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,013.57 : 3,963,310.47 = 1,565,306.90 : x
  2. Step 2: Convert to fraction form
    2,872,013.57/3,963,310.47 = 1,565,306.90/x
  3. Step 3: Cross multiply
    2,872,013.57x = 3,963,310.47 × 1,565,306.90
  4. Step 4: Simplify right side
    2,872,013.57x = 6,203,797,205,716.69
  5. Step 5: Solve for x
    x = 6,203,797,205,716.69/2,872,013.57
  6. Step 6: Final answer
    x = 2,160,086.32

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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.