Home / 2,516,332.95-3,472,637.77-1,428,705.72

Finding the Fourth Proportional to 2,516,332.95, 3,472,637.77 and 1,428,705.72

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Solution

The fourth proportional to 2,516,332.95, 3,472,637.77 and 1,428,705.72 is: 1,971,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516,332.95 : 3,472,637.77 = 1,428,705.72 : x
  2. Step 2: Convert to fraction form
    2,516,332.95/3,472,637.77 = 1,428,705.72/x
  3. Step 3: Cross multiply
    2,516,332.95x = 3,472,637.77 × 1,428,705.72
  4. Step 4: Simplify right side
    2,516,332.95x = 4,961,377,441,915.28
  5. Step 5: Solve for x
    x = 4,961,377,441,915.28/2,516,332.95
  6. Step 6: Final answer
    x = 1,971,669.70

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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.