Home / 2,163,127.57-3,244,687.27-815,592.47

Finding the Fourth Proportional to 2,163,127.57, 3,244,687.27 and 815,592.47

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Solution

The fourth proportional to 2,163,127.57, 3,244,687.27 and 815,592.47 is: 1,223,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,127.57 : 3,244,687.27 = 815,592.47 : x
  2. Step 2: Convert to fraction form
    2,163,127.57/3,244,687.27 = 815,592.47/x
  3. Step 3: Cross multiply
    2,163,127.57x = 3,244,687.27 × 815,592.47
  4. Step 4: Simplify right side
    2,163,127.57x = 2,646,342,486,654.44
  5. Step 5: Solve for x
    x = 2,646,342,486,654.44/2,163,127.57
  6. Step 6: Final answer
    x = 1,223,387.16

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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.