Home / 3,984,336.20-5,976,504.30-992,520.20

Finding the Fourth Proportional to 3,984,336.20, 5,976,504.30 and 992,520.20

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Solution

The fourth proportional to 3,984,336.20, 5,976,504.30 and 992,520.20 is: 1,488,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,336.20 : 5,976,504.30 = 992,520.20 : x
  2. Step 2: Convert to fraction form
    3,984,336.20/5,976,504.30 = 992,520.20/x
  3. Step 3: Cross multiply
    3,984,336.20x = 5,976,504.30 × 992,520.20
  4. Step 4: Simplify right side
    3,984,336.20x = 5,931,801,243,136.86
  5. Step 5: Solve for x
    x = 5,931,801,243,136.86/3,984,336.20
  6. Step 6: Final answer
    x = 1,488,780.30

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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.