Home / 3,926,998.80-5,890,498.20-2,919,229.20

Finding the Fourth Proportional to 3,926,998.80, 5,890,498.20 and 2,919,229.20

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Solution

The fourth proportional to 3,926,998.80, 5,890,498.20 and 2,919,229.20 is: 4,378,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,998.80 : 5,890,498.20 = 2,919,229.20 : x
  2. Step 2: Convert to fraction form
    3,926,998.80/5,890,498.20 = 2,919,229.20/x
  3. Step 3: Cross multiply
    3,926,998.80x = 5,890,498.20 × 2,919,229.20
  4. Step 4: Simplify right side
    3,926,998.80x = 17,195,714,347,987.44
  5. Step 5: Solve for x
    x = 17,195,714,347,987.44/3,926,998.80
  6. Step 6: Final answer
    x = 4,378,843.80

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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.