Home / 3,438,250.05-5,157,375.08-3,119,385.45

Finding the Fourth Proportional to 3,438,250.05, 5,157,375.08 and 3,119,385.45

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Solution

The fourth proportional to 3,438,250.05, 5,157,375.08 and 3,119,385.45 is: 4,679,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,250.05 : 5,157,375.08 = 3,119,385.45 : x
  2. Step 2: Convert to fraction form
    3,438,250.05/5,157,375.08 = 3,119,385.45/x
  3. Step 3: Cross multiply
    3,438,250.05x = 5,157,375.08 × 3,119,385.45
  4. Step 4: Simplify right side
    3,438,250.05x = 16,087,840,769,147.66
  5. Step 5: Solve for x
    x = 16,087,840,769,147.66/3,438,250.05
  6. Step 6: Final answer
    x = 4,679,078.18

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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.