Home / 2,665,376.86-3,998,062.05-868,257.40

Finding the Fourth Proportional to 2,665,376.86, 3,998,062.05 and 868,257.40

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Solution

The fourth proportional to 2,665,376.86, 3,998,062.05 and 868,257.40 is: 1,302,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,376.86 : 3,998,062.05 = 868,257.40 : x
  2. Step 2: Convert to fraction form
    2,665,376.86/3,998,062.05 = 868,257.40/x
  3. Step 3: Cross multiply
    2,665,376.86x = 3,998,062.05 × 868,257.40
  4. Step 4: Simplify right side
    2,665,376.86x = 3,471,346,947,320.55
  5. Step 5: Solve for x
    x = 3,471,346,947,320.55/2,665,376.86
  6. Step 6: Final answer
    x = 1,302,385.04

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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.