Home / 2,155,861.60-3,234,080.40-735,560.80

Finding the Fourth Proportional to 2,155,861.60, 3,234,080.40 and 735,560.80

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Solution

The fourth proportional to 2,155,861.60, 3,234,080.40 and 735,560.80 is: 1,103,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,861.60 : 3,234,080.40 = 735,560.80 : x
  2. Step 2: Convert to fraction form
    2,155,861.60/3,234,080.40 = 735,560.80/x
  3. Step 3: Cross multiply
    2,155,861.60x = 3,234,080.40 × 735,560.80
  4. Step 4: Simplify right side
    2,155,861.60x = 2,378,862,766,288.32
  5. Step 5: Solve for x
    x = 2,378,862,766,288.32/2,155,861.60
  6. Step 6: Final answer
    x = 1,103,439.46

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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.