Home / 2,660,202.15-3,990,863.64-862,945.29

Finding the Fourth Proportional to 2,660,202.15, 3,990,863.64 and 862,945.29

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Solution

The fourth proportional to 2,660,202.15, 3,990,863.64 and 862,945.29 is: 1,294,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,202.15 : 3,990,863.64 = 862,945.29 : x
  2. Step 2: Convert to fraction form
    2,660,202.15/3,990,863.64 = 862,945.29/x
  3. Step 3: Cross multiply
    2,660,202.15x = 3,990,863.64 × 862,945.29
  4. Step 4: Simplify right side
    2,660,202.15x = 3,443,896,981,170.26
  5. Step 5: Solve for x
    x = 3,443,896,981,170.26/2,660,202.15
  6. Step 6: Final answer
    x = 1,294,599.73

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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.