Home / 2,981,710.20-4,472,565.30-2,519,815.80

Finding the Fourth Proportional to 2,981,710.20, 4,472,565.30 and 2,519,815.80

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Solution

The fourth proportional to 2,981,710.20, 4,472,565.30 and 2,519,815.80 is: 3,779,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,710.20 : 4,472,565.30 = 2,519,815.80 : x
  2. Step 2: Convert to fraction form
    2,981,710.20/4,472,565.30 = 2,519,815.80/x
  3. Step 3: Cross multiply
    2,981,710.20x = 4,472,565.30 × 2,519,815.80
  4. Step 4: Simplify right side
    2,981,710.20x = 11,270,040,709,471.74
  5. Step 5: Solve for x
    x = 11,270,040,709,471.74/2,981,710.20
  6. Step 6: Final answer
    x = 3,779,723.70

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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.