Home / 2,981,305.80-4,472,541.90-1,275,445.80

Finding the Fourth Proportional to 2,981,305.80, 4,472,541.90 and 1,275,445.80

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Solution

The fourth proportional to 2,981,305.80, 4,472,541.90 and 1,275,445.80 is: 1,913,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,305.80 : 4,472,541.90 = 1,275,445.80 : x
  2. Step 2: Convert to fraction form
    2,981,305.80/4,472,541.90 = 1,275,445.80/x
  3. Step 3: Cross multiply
    2,981,305.80x = 4,472,541.90 × 1,275,445.80
  4. Step 4: Simplify right side
    2,981,305.80x = 5,704,484,781,679.02
  5. Step 5: Solve for x
    x = 5,704,484,781,679.02/2,981,305.80
  6. Step 6: Final answer
    x = 1,913,418.20

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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.