Home / 3,690,819.60-5,536,229.40-3,407,384.40

Finding the Fourth Proportional to 3,690,819.60, 5,536,229.40 and 3,407,384.40

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Solution

The fourth proportional to 3,690,819.60, 5,536,229.40 and 3,407,384.40 is: 5,111,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,819.60 : 5,536,229.40 = 3,407,384.40 : x
  2. Step 2: Convert to fraction form
    3,690,819.60/5,536,229.40 = 3,407,384.40/x
  3. Step 3: Cross multiply
    3,690,819.60x = 5,536,229.40 × 3,407,384.40
  4. Step 4: Simplify right side
    3,690,819.60x = 18,864,061,692,381.36
  5. Step 5: Solve for x
    x = 18,864,061,692,381.36/3,690,819.60
  6. Step 6: Final answer
    x = 5,111,076.60

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Similar ratio
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1.5x scale

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.