Home / 3,121,366.20-4,682,049.30-1,609,711.80

Finding the Fourth Proportional to 3,121,366.20, 4,682,049.30 and 1,609,711.80

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Solution

The fourth proportional to 3,121,366.20, 4,682,049.30 and 1,609,711.80 is: 2,414,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,366.20 : 4,682,049.30 = 1,609,711.80 : x
  2. Step 2: Convert to fraction form
    3,121,366.20/4,682,049.30 = 1,609,711.80/x
  3. Step 3: Cross multiply
    3,121,366.20x = 4,682,049.30 × 1,609,711.80
  4. Step 4: Simplify right side
    3,121,366.20x = 7,536,750,006,391.74
  5. Step 5: Solve for x
    x = 7,536,750,006,391.74/3,121,366.20
  6. Step 6: Final answer
    x = 2,414,567.70

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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.