Home / 4,672,209.60-7,007,002.20-1,478,314.80

Finding the Fourth Proportional to 4,672,209.60, 7,007,002.20 and 1,478,314.80

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Solution

The fourth proportional to 4,672,209.60, 7,007,002.20 and 1,478,314.80 is: 2,217,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,209.60 : 7,007,002.20 = 1,478,314.80 : x
  2. Step 2: Convert to fraction form
    4,672,209.60/7,007,002.20 = 1,478,314.80/x
  3. Step 3: Cross multiply
    4,672,209.60x = 7,007,002.20 × 1,478,314.80
  4. Step 4: Simplify right side
    4,672,209.60x = 10,358,555,055,892.56
  5. Step 5: Solve for x
    x = 10,358,555,055,892.56/4,672,209.60
  6. Step 6: Final answer
    x = 2,217,057.01

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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.