Home / 3,929,332.88-5,419,556.45-3,469,636.42

Finding the Fourth Proportional to 3,929,332.88, 5,419,556.45 and 3,469,636.42

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Solution

The fourth proportional to 3,929,332.88, 5,419,556.45 and 3,469,636.42 is: 4,785,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,332.88 : 5,419,556.45 = 3,469,636.42 : x
  2. Step 2: Convert to fraction form
    3,929,332.88/5,419,556.45 = 3,469,636.42/x
  3. Step 3: Cross multiply
    3,929,332.88x = 5,419,556.45 × 3,469,636.42
  4. Step 4: Simplify right side
    3,929,332.88x = 18,803,890,439,165.91
  5. Step 5: Solve for x
    x = 18,803,890,439,165.91/3,929,332.88
  6. Step 6: Final answer
    x = 4,785,517.29

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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.