Home / 3,451,401.60-5,177,102.40-3,115,478.40

Finding the Fourth Proportional to 3,451,401.60, 5,177,102.40 and 3,115,478.40

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Solution

The fourth proportional to 3,451,401.60, 5,177,102.40 and 3,115,478.40 is: 4,673,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,401.60 : 5,177,102.40 = 3,115,478.40 : x
  2. Step 2: Convert to fraction form
    3,451,401.60/5,177,102.40 = 3,115,478.40/x
  3. Step 3: Cross multiply
    3,451,401.60x = 5,177,102.40 × 3,115,478.40
  4. Step 4: Simplify right side
    3,451,401.60x = 16,129,150,701,788.16
  5. Step 5: Solve for x
    x = 16,129,150,701,788.16/3,451,401.60
  6. Step 6: Final answer
    x = 4,673,217.60

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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.