Home / 3,942,028.20-5,913,042.30-3,915,456.15

Finding the Fourth Proportional to 3,942,028.20, 5,913,042.30 and 3,915,456.15

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Solution

The fourth proportional to 3,942,028.20, 5,913,042.30 and 3,915,456.15 is: 5,873,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,028.20 : 5,913,042.30 = 3,915,456.15 : x
  2. Step 2: Convert to fraction form
    3,942,028.20/5,913,042.30 = 3,915,456.15/x
  3. Step 3: Cross multiply
    3,942,028.20x = 5,913,042.30 × 3,915,456.15
  4. Step 4: Simplify right side
    3,942,028.20x = 23,152,257,838,745.14
  5. Step 5: Solve for x
    x = 23,152,257,838,745.14/3,942,028.20
  6. Step 6: Final answer
    x = 5,873,184.23

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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.