Home / 3,491,872.40-5,236,281.66-1,761,677.76

Finding the Fourth Proportional to 3,491,872.40, 5,236,281.66 and 1,761,677.76

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Solution

The fourth proportional to 3,491,872.40, 5,236,281.66 and 1,761,677.76 is: 2,641,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,872.40 : 5,236,281.66 = 1,761,677.76 : x
  2. Step 2: Convert to fraction form
    3,491,872.40/5,236,281.66 = 1,761,677.76/x
  3. Step 3: Cross multiply
    3,491,872.40x = 5,236,281.66 × 1,761,677.76
  4. Step 4: Simplify right side
    3,491,872.40x = 9,224,640,945,517.88
  5. Step 5: Solve for x
    x = 9,224,640,945,517.88/3,491,872.40
  6. Step 6: Final answer
    x = 2,641,746.29

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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.