Home / 2,665,377.36-3,998,062.80-868,257.90

Finding the Fourth Proportional to 2,665,377.36, 3,998,062.80 and 868,257.90

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Solution

The fourth proportional to 2,665,377.36, 3,998,062.80 and 868,257.90 is: 1,302,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,377.36 : 3,998,062.80 = 868,257.90 : x
  2. Step 2: Convert to fraction form
    2,665,377.36/3,998,062.80 = 868,257.90/x
  3. Step 3: Cross multiply
    2,665,377.36x = 3,998,062.80 × 868,257.90
  4. Step 4: Simplify right side
    2,665,377.36x = 3,471,349,606,454.83
  5. Step 5: Solve for x
    x = 3,471,349,606,454.83/2,665,377.36
  6. Step 6: Final answer
    x = 1,302,385.79

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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.