Home / 2,616,439.28-3,924,658.96-819,463.39

Finding the Fourth Proportional to 2,616,439.28, 3,924,658.96 and 819,463.39

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Solution

The fourth proportional to 2,616,439.28, 3,924,658.96 and 819,463.39 is: 1,229,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,439.28 : 3,924,658.96 = 819,463.39 : x
  2. Step 2: Convert to fraction form
    2,616,439.28/3,924,658.96 = 819,463.39/x
  3. Step 3: Cross multiply
    2,616,439.28x = 3,924,658.96 × 819,463.39
  4. Step 4: Simplify right side
    2,616,439.28x = 3,216,114,335,955.47
  5. Step 5: Solve for x
    x = 3,216,114,335,955.47/2,616,439.28
  6. Step 6: Final answer
    x = 1,229,195.10

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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.