Home / 3,911,136.30-5,866,704.45-2,231,520.30

Finding the Fourth Proportional to 3,911,136.30, 5,866,704.45 and 2,231,520.30

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Solution

The fourth proportional to 3,911,136.30, 5,866,704.45 and 2,231,520.30 is: 3,347,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,136.30 : 5,866,704.45 = 2,231,520.30 : x
  2. Step 2: Convert to fraction form
    3,911,136.30/5,866,704.45 = 2,231,520.30/x
  3. Step 3: Cross multiply
    3,911,136.30x = 5,866,704.45 × 2,231,520.30
  4. Step 4: Simplify right side
    3,911,136.30x = 13,091,670,074,275.33
  5. Step 5: Solve for x
    x = 13,091,670,074,275.33/3,911,136.30
  6. Step 6: Final answer
    x = 3,347,280.45

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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.