Home / 2,659,863.59-3,990,355.80-862,606.92

Finding the Fourth Proportional to 2,659,863.59, 3,990,355.80 and 862,606.92

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Solution

The fourth proportional to 2,659,863.59, 3,990,355.80 and 862,606.92 is: 1,294,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,863.59 : 3,990,355.80 = 862,606.92 : x
  2. Step 2: Convert to fraction form
    2,659,863.59/3,990,355.80 = 862,606.92/x
  3. Step 3: Cross multiply
    2,659,863.59x = 3,990,355.80 × 862,606.92
  4. Step 4: Simplify right side
    2,659,863.59x = 3,442,108,526,342.14
  5. Step 5: Solve for x
    x = 3,442,108,526,342.14/2,659,863.59
  6. Step 6: Final answer
    x = 1,294,092.13

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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.