Home / 3,929,346.67-5,419,575.46-3,469,650.20

Finding the Fourth Proportional to 3,929,346.67, 5,419,575.46 and 3,469,650.20

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Solution

The fourth proportional to 3,929,346.67, 5,419,575.46 and 3,469,650.20 is: 4,785,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,346.67 : 5,419,575.46 = 3,469,650.20 : x
  2. Step 2: Convert to fraction form
    3,929,346.67/5,419,575.46 = 3,469,650.20/x
  3. Step 3: Cross multiply
    3,929,346.67x = 5,419,575.46 × 3,469,650.20
  4. Step 4: Simplify right side
    3,929,346.67x = 18,804,031,061,355.84
  5. Step 5: Solve for x
    x = 18,804,031,061,355.84/3,929,346.67
  6. Step 6: Final answer
    x = 4,785,536.29

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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.