Home / 3,690,677.20-5,536,015.80-3,640,910.80

Finding the Fourth Proportional to 3,690,677.20, 5,536,015.80 and 3,640,910.80

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Solution

The fourth proportional to 3,690,677.20, 5,536,015.80 and 3,640,910.80 is: 5,461,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,677.20 : 5,536,015.80 = 3,640,910.80 : x
  2. Step 2: Convert to fraction form
    3,690,677.20/5,536,015.80 = 3,640,910.80/x
  3. Step 3: Cross multiply
    3,690,677.20x = 5,536,015.80 × 3,640,910.80
  4. Step 4: Simplify right side
    3,690,677.20x = 20,156,139,715,190.64
  5. Step 5: Solve for x
    x = 20,156,139,715,190.64/3,690,677.20
  6. Step 6: Final answer
    x = 5,461,366.20

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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.