Home / 5,119,447.52-7,679,630.40-1,332,963.20

Finding the Fourth Proportional to 5,119,447.52, 7,679,630.40 and 1,332,963.20

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Solution

The fourth proportional to 5,119,447.52, 7,679,630.40 and 1,332,963.20 is: 1,999,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,447.52 : 7,679,630.40 = 1,332,963.20 : x
  2. Step 2: Convert to fraction form
    5,119,447.52/7,679,630.40 = 1,332,963.20/x
  3. Step 3: Cross multiply
    5,119,447.52x = 7,679,630.40 × 1,332,963.20
  4. Step 4: Simplify right side
    5,119,447.52x = 10,236,664,712,801.28
  5. Step 5: Solve for x
    x = 10,236,664,712,801.28/5,119,447.52
  6. Step 6: Final answer
    x = 1,999,564.34

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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.