Home / 3,229,478.40-4,844,217.60-985,612.80

Finding the Fourth Proportional to 3,229,478.40, 4,844,217.60 and 985,612.80

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Solution

The fourth proportional to 3,229,478.40, 4,844,217.60 and 985,612.80 is: 1,478,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229,478.40 : 4,844,217.60 = 985,612.80 : x
  2. Step 2: Convert to fraction form
    3,229,478.40/4,844,217.60 = 985,612.80/x
  3. Step 3: Cross multiply
    3,229,478.40x = 4,844,217.60 × 985,612.80
  4. Step 4: Simplify right side
    3,229,478.40x = 4,774,522,872,545.28
  5. Step 5: Solve for x
    x = 4,774,522,872,545.28/3,229,478.40
  6. Step 6: Final answer
    x = 1,478,419.20

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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.