Home / 5,250,668.20-7,876,002.30-3,990,956.20

Finding the Fourth Proportional to 5,250,668.20, 7,876,002.30 and 3,990,956.20

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Solution

The fourth proportional to 5,250,668.20, 7,876,002.30 and 3,990,956.20 is: 5,986,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,668.20 : 7,876,002.30 = 3,990,956.20 : x
  2. Step 2: Convert to fraction form
    5,250,668.20/7,876,002.30 = 3,990,956.20/x
  3. Step 3: Cross multiply
    5,250,668.20x = 7,876,002.30 × 3,990,956.20
  4. Step 4: Simplify right side
    5,250,668.20x = 31,432,780,210,399.26
  5. Step 5: Solve for x
    x = 31,432,780,210,399.26/5,250,668.20
  6. Step 6: Final answer
    x = 5,986,434.30

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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.