Home / 3,819,385.81-5,729,787.11-1,260,778.97

Finding the Fourth Proportional to 3,819,385.81, 5,729,787.11 and 1,260,778.97

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Solution

The fourth proportional to 3,819,385.81, 5,729,787.11 and 1,260,778.97 is: 1,891,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,385.81 : 5,729,787.11 = 1,260,778.97 : x
  2. Step 2: Convert to fraction form
    3,819,385.81/5,729,787.11 = 1,260,778.97/x
  3. Step 3: Cross multiply
    3,819,385.81x = 5,729,787.11 × 1,260,778.97
  4. Step 4: Simplify right side
    3,819,385.81x = 7,223,995,108,341.49
  5. Step 5: Solve for x
    x = 7,223,995,108,341.49/3,819,385.81
  6. Step 6: Final answer
    x = 1,891,402.30

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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.