Home / 3,753,170.73-5,179,319.64-2,121,520.95

Finding the Fourth Proportional to 3,753,170.73, 5,179,319.64 and 2,121,520.95

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Solution

The fourth proportional to 3,753,170.73, 5,179,319.64 and 2,121,520.95 is: 2,927,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,170.73 : 5,179,319.64 = 2,121,520.95 : x
  2. Step 2: Convert to fraction form
    3,753,170.73/5,179,319.64 = 2,121,520.95/x
  3. Step 3: Cross multiply
    3,753,170.73x = 5,179,319.64 × 2,121,520.95
  4. Step 4: Simplify right side
    3,753,170.73x = 10,988,035,123,006.46
  5. Step 5: Solve for x
    x = 10,988,035,123,006.46/3,753,170.73
  6. Step 6: Final answer
    x = 2,927,667.27

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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.