Home / 4,752,745.20-7,129,117.80-3,965,425.20

Finding the Fourth Proportional to 4,752,745.20, 7,129,117.80 and 3,965,425.20

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Solution

The fourth proportional to 4,752,745.20, 7,129,117.80 and 3,965,425.20 is: 5,948,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,745.20 : 7,129,117.80 = 3,965,425.20 : x
  2. Step 2: Convert to fraction form
    4,752,745.20/7,129,117.80 = 3,965,425.20/x
  3. Step 3: Cross multiply
    4,752,745.20x = 7,129,117.80 × 3,965,425.20
  4. Step 4: Simplify right side
    4,752,745.20x = 28,269,983,377,888.56
  5. Step 5: Solve for x
    x = 28,269,983,377,888.56/4,752,745.20
  6. Step 6: Final answer
    x = 5,948,137.80

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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.