Home / 1,813,471.20-2,722,175.10-1,415,874.60

Finding the Fourth Proportional to 1,813,471.20, 2,722,175.10 and 1,415,874.60

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Solution

The fourth proportional to 1,813,471.20, 2,722,175.10 and 1,415,874.60 is: 2,125,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,471.20 : 2,722,175.10 = 1,415,874.60 : x
  2. Step 2: Convert to fraction form
    1,813,471.20/2,722,175.10 = 1,415,874.60/x
  3. Step 3: Cross multiply
    1,813,471.20x = 2,722,175.10 × 1,415,874.60
  4. Step 4: Simplify right side
    1,813,471.20x = 3,854,258,580,842.46
  5. Step 5: Solve for x
    x = 3,854,258,580,842.46/1,813,471.20
  6. Step 6: Final answer
    x = 2,125,348.66

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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.