Home / 2,665,412.28-3,998,115.24-868,292.76

Finding the Fourth Proportional to 2,665,412.28, 3,998,115.24 and 868,292.76

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Solution

The fourth proportional to 2,665,412.28, 3,998,115.24 and 868,292.76 is: 1,302,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,412.28 : 3,998,115.24 = 868,292.76 : x
  2. Step 2: Convert to fraction form
    2,665,412.28/3,998,115.24 = 868,292.76/x
  3. Step 3: Cross multiply
    2,665,412.28x = 3,998,115.24 × 868,292.76
  4. Step 4: Simplify right side
    2,665,412.28x = 3,471,534,516,537.66
  5. Step 5: Solve for x
    x = 3,471,534,516,537.66/2,665,412.28
  6. Step 6: Final answer
    x = 1,302,438.10

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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.