Home / 2,665,403.97-3,998,102.85-868,284.57

Finding the Fourth Proportional to 2,665,403.97, 3,998,102.85 and 868,284.57

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Solution

The fourth proportional to 2,665,403.97, 3,998,102.85 and 868,284.57 is: 1,302,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,403.97 : 3,998,102.85 = 868,284.57 : x
  2. Step 2: Convert to fraction form
    2,665,403.97/3,998,102.85 = 868,284.57/x
  3. Step 3: Cross multiply
    2,665,403.97x = 3,998,102.85 × 868,284.57
  4. Step 4: Simplify right side
    2,665,403.97x = 3,471,491,013,928.02
  5. Step 5: Solve for x
    x = 3,471,491,013,928.02/2,665,403.97
  6. Step 6: Final answer
    x = 1,302,425.84

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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.