Home / 2,318,947.20-3,478,593.60-822,844.80

Finding the Fourth Proportional to 2,318,947.20, 3,478,593.60 and 822,844.80

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Solution

The fourth proportional to 2,318,947.20, 3,478,593.60 and 822,844.80 is: 1,234,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,947.20 : 3,478,593.60 = 822,844.80 : x
  2. Step 2: Convert to fraction form
    2,318,947.20/3,478,593.60 = 822,844.80/x
  3. Step 3: Cross multiply
    2,318,947.20x = 3,478,593.60 × 822,844.80
  4. Step 4: Simplify right side
    2,318,947.20x = 2,862,342,655,073.28
  5. Step 5: Solve for x
    x = 2,862,342,655,073.28/2,318,947.20
  6. Step 6: Final answer
    x = 1,234,328.52

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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.