Home / 3,876,136.80-5,814,205.20-2,457,794.40

Finding the Fourth Proportional to 3,876,136.80, 5,814,205.20 and 2,457,794.40

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Solution

The fourth proportional to 3,876,136.80, 5,814,205.20 and 2,457,794.40 is: 3,686,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,136.80 : 5,814,205.20 = 2,457,794.40 : x
  2. Step 2: Convert to fraction form
    3,876,136.80/5,814,205.20 = 2,457,794.40/x
  3. Step 3: Cross multiply
    3,876,136.80x = 5,814,205.20 × 2,457,794.40
  4. Step 4: Simplify right side
    3,876,136.80x = 14,290,120,981,010.88
  5. Step 5: Solve for x
    x = 14,290,120,981,010.88/3,876,136.80
  6. Step 6: Final answer
    x = 3,686,691.60

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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.