Home / 1,641,490.72-2,260,204.56-1,399,229.92

Finding the Fourth Proportional to 1,641,490.72, 2,260,204.56 and 1,399,229.92

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Solution

The fourth proportional to 1,641,490.72, 2,260,204.56 and 1,399,229.92 is: 1,926,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,490.72 : 2,260,204.56 = 1,399,229.92 : x
  2. Step 2: Convert to fraction form
    1,641,490.72/2,260,204.56 = 1,399,229.92/x
  3. Step 3: Cross multiply
    1,641,490.72x = 2,260,204.56 × 1,399,229.92
  4. Step 4: Simplify right side
    1,641,490.72x = 3,162,545,845,672.44
  5. Step 5: Solve for x
    x = 3,162,545,845,672.44/1,641,490.72
  6. Step 6: Final answer
    x = 1,926,630.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.