Home / 5,467,660.80-8,201,491.20-1,478,572.80

Finding the Fourth Proportional to 5,467,660.80, 8,201,491.20 and 1,478,572.80

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Solution

The fourth proportional to 5,467,660.80, 8,201,491.20 and 1,478,572.80 is: 2,217,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467,660.80 : 8,201,491.20 = 1,478,572.80 : x
  2. Step 2: Convert to fraction form
    5,467,660.80/8,201,491.20 = 1,478,572.80/x
  3. Step 3: Cross multiply
    5,467,660.80x = 8,201,491.20 × 1,478,572.80
  4. Step 4: Simplify right side
    5,467,660.80x = 12,126,501,807,759.36
  5. Step 5: Solve for x
    x = 12,126,501,807,759.36/5,467,660.80
  6. Step 6: Final answer
    x = 2,217,859.20

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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.