Home / 3,279,915.20-4,921,293.74-1,761,826.97

Finding the Fourth Proportional to 3,279,915.20, 4,921,293.74 and 1,761,826.97

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Solution

The fourth proportional to 3,279,915.20, 4,921,293.74 and 1,761,826.97 is: 2,643,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,915.20 : 4,921,293.74 = 1,761,826.97 : x
  2. Step 2: Convert to fraction form
    3,279,915.20/4,921,293.74 = 1,761,826.97/x
  3. Step 3: Cross multiply
    3,279,915.20x = 4,921,293.74 × 1,761,826.97
  4. Step 4: Simplify right side
    3,279,915.20x = 8,670,468,005,008.57
  5. Step 5: Solve for x
    x = 8,670,468,005,008.57/3,279,915.20
  6. Step 6: Final answer
    x = 2,643,503.72

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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.