Home / 3,549,340.80-5,324,011.20-1,659,772.80

Finding the Fourth Proportional to 3,549,340.80, 5,324,011.20 and 1,659,772.80

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Solution

The fourth proportional to 3,549,340.80, 5,324,011.20 and 1,659,772.80 is: 2,489,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,340.80 : 5,324,011.20 = 1,659,772.80 : x
  2. Step 2: Convert to fraction form
    3,549,340.80/5,324,011.20 = 1,659,772.80/x
  3. Step 3: Cross multiply
    3,549,340.80x = 5,324,011.20 × 1,659,772.80
  4. Step 4: Simplify right side
    3,549,340.80x = 8,836,648,976,655.36
  5. Step 5: Solve for x
    x = 8,836,648,976,655.36/3,549,340.80
  6. Step 6: Final answer
    x = 2,489,659.20

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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.