Home / 2,660,026.20-3,990,600.07-862,769.94

Finding the Fourth Proportional to 2,660,026.20, 3,990,600.07 and 862,769.94

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Solution

The fourth proportional to 2,660,026.20, 3,990,600.07 and 862,769.94 is: 1,294,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,026.20 : 3,990,600.07 = 862,769.94 : x
  2. Step 2: Convert to fraction form
    2,660,026.20/3,990,600.07 = 862,769.94/x
  3. Step 3: Cross multiply
    2,660,026.20x = 3,990,600.07 × 862,769.94
  4. Step 4: Simplify right side
    2,660,026.20x = 3,442,969,782,957.90
  5. Step 5: Solve for x
    x = 3,442,969,782,957.90/2,660,026.20
  6. Step 6: Final answer
    x = 1,294,336.79

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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.