Home / 3,929,331.88-5,419,555.07-3,469,635.42

Finding the Fourth Proportional to 3,929,331.88, 5,419,555.07 and 3,469,635.42

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Solution

The fourth proportional to 3,929,331.88, 5,419,555.07 and 3,469,635.42 is: 4,785,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,331.88 : 5,419,555.07 = 3,469,635.42 : x
  2. Step 2: Convert to fraction form
    3,929,331.88/5,419,555.07 = 3,469,635.42/x
  3. Step 3: Cross multiply
    3,929,331.88x = 5,419,555.07 × 3,469,635.42
  4. Step 4: Simplify right side
    3,929,331.88x = 18,803,880,213,357.77
  5. Step 5: Solve for x
    x = 18,803,880,213,357.77/3,929,331.88
  6. Step 6: Final answer
    x = 4,785,515.90

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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.