Home / 4,920,766.20-7,381,149.30-4,123,604.70

Finding the Fourth Proportional to 4,920,766.20, 7,381,149.30 and 4,123,604.70

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Solution

The fourth proportional to 4,920,766.20, 7,381,149.30 and 4,123,604.70 is: 6,185,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,766.20 : 7,381,149.30 = 4,123,604.70 : x
  2. Step 2: Convert to fraction form
    4,920,766.20/7,381,149.30 = 4,123,604.70/x
  3. Step 3: Cross multiply
    4,920,766.20x = 7,381,149.30 × 4,123,604.70
  4. Step 4: Simplify right side
    4,920,766.20x = 30,436,941,944,881.71
  5. Step 5: Solve for x
    x = 30,436,941,944,881.71/4,920,766.20
  6. Step 6: Final answer
    x = 6,185,407.05

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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.