Home / 2,318,985.20-3,478,650.60-822,882.80

Finding the Fourth Proportional to 2,318,985.20, 3,478,650.60 and 822,882.80

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Solution

The fourth proportional to 2,318,985.20, 3,478,650.60 and 822,882.80 is: 1,234,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,985.20 : 3,478,650.60 = 822,882.80 : x
  2. Step 2: Convert to fraction form
    2,318,985.20/3,478,650.60 = 822,882.80/x
  3. Step 3: Cross multiply
    2,318,985.20x = 3,478,650.60 × 822,882.80
  4. Step 4: Simplify right side
    2,318,985.20x = 2,862,521,745,949.68
  5. Step 5: Solve for x
    x = 2,862,521,745,949.68/2,318,985.20
  6. Step 6: Final answer
    x = 1,234,385.52

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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.