Home / 3,929,347.16-5,419,576.15-3,469,650.70

Finding the Fourth Proportional to 3,929,347.16, 5,419,576.15 and 3,469,650.70

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Solution

The fourth proportional to 3,929,347.16, 5,419,576.15 and 3,469,650.70 is: 4,785,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,347.16 : 5,419,576.15 = 3,469,650.70 : x
  2. Step 2: Convert to fraction form
    3,929,347.16/5,419,576.15 = 3,469,650.70/x
  3. Step 3: Cross multiply
    3,929,347.16x = 5,419,576.15 × 3,469,650.70
  4. Step 4: Simplify right side
    3,929,347.16x = 18,804,036,160,327.74
  5. Step 5: Solve for x
    x = 18,804,036,160,327.74/3,929,347.16
  6. Step 6: Final answer
    x = 4,785,536.98

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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.