Home / 4,920,942.80-7,381,414.20-1,375,086.80

Finding the Fourth Proportional to 4,920,942.80, 7,381,414.20 and 1,375,086.80

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Solution

The fourth proportional to 4,920,942.80, 7,381,414.20 and 1,375,086.80 is: 2,062,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,942.80 : 7,381,414.20 = 1,375,086.80 : x
  2. Step 2: Convert to fraction form
    4,920,942.80/7,381,414.20 = 1,375,086.80/x
  3. Step 3: Cross multiply
    4,920,942.80x = 7,381,414.20 × 1,375,086.80
  4. Step 4: Simplify right side
    4,920,942.80x = 10,150,085,231,752.56
  5. Step 5: Solve for x
    x = 10,150,085,231,752.56/4,920,942.80
  6. Step 6: Final answer
    x = 2,062,630.20

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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.