Home / 3,669,489.90-5,504,234.85-3,126,239.10

Finding the Fourth Proportional to 3,669,489.90, 5,504,234.85 and 3,126,239.10

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Solution

The fourth proportional to 3,669,489.90, 5,504,234.85 and 3,126,239.10 is: 4,689,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,489.90 : 5,504,234.85 = 3,126,239.10 : x
  2. Step 2: Convert to fraction form
    3,669,489.90/5,504,234.85 = 3,126,239.10/x
  3. Step 3: Cross multiply
    3,669,489.90x = 5,504,234.85 × 3,126,239.10
  4. Step 4: Simplify right side
    3,669,489.90x = 17,207,554,203,652.63
  5. Step 5: Solve for x
    x = 17,207,554,203,652.63/3,669,489.90
  6. Step 6: Final answer
    x = 4,689,358.65

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Double scale
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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.