Home / 3,672,129.60-5,508,194.40-3,636,700.20

Finding the Fourth Proportional to 3,672,129.60, 5,508,194.40 and 3,636,700.20

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Solution

The fourth proportional to 3,672,129.60, 5,508,194.40 and 3,636,700.20 is: 5,455,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,129.60 : 5,508,194.40 = 3,636,700.20 : x
  2. Step 2: Convert to fraction form
    3,672,129.60/5,508,194.40 = 3,636,700.20/x
  3. Step 3: Cross multiply
    3,672,129.60x = 5,508,194.40 × 3,636,700.20
  4. Step 4: Simplify right side
    3,672,129.60x = 20,031,651,676,118.88
  5. Step 5: Solve for x
    x = 20,031,651,676,118.88/3,672,129.60
  6. Step 6: Final answer
    x = 5,455,050.30

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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.