Home / 2,181,439.20-3,272,158.80-1,236,655.20

Finding the Fourth Proportional to 2,181,439.20, 3,272,158.80 and 1,236,655.20

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Solution

The fourth proportional to 2,181,439.20, 3,272,158.80 and 1,236,655.20 is: 1,854,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,439.20 : 3,272,158.80 = 1,236,655.20 : x
  2. Step 2: Convert to fraction form
    2,181,439.20/3,272,158.80 = 1,236,655.20/x
  3. Step 3: Cross multiply
    2,181,439.20x = 3,272,158.80 × 1,236,655.20
  4. Step 4: Simplify right side
    2,181,439.20x = 4,046,532,195,245.76
  5. Step 5: Solve for x
    x = 4,046,532,195,245.76/2,181,439.20
  6. Step 6: Final answer
    x = 1,854,982.80

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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.