Home / 2,981,298.80-4,472,531.40-1,275,438.80

Finding the Fourth Proportional to 2,981,298.80, 4,472,531.40 and 1,275,438.80

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Solution

The fourth proportional to 2,981,298.80, 4,472,531.40 and 1,275,438.80 is: 1,913,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,298.80 : 4,472,531.40 = 1,275,438.80 : x
  2. Step 2: Convert to fraction form
    2,981,298.80/4,472,531.40 = 1,275,438.80/x
  3. Step 3: Cross multiply
    2,981,298.80x = 4,472,531.40 × 1,275,438.80
  4. Step 4: Simplify right side
    2,981,298.80x = 5,704,440,081,778.32
  5. Step 5: Solve for x
    x = 5,704,440,081,778.32/2,981,298.80
  6. Step 6: Final answer
    x = 1,913,407.70

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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.