Home / 5,181,334.20-7,772,001.30-1,815,190.20

Finding the Fourth Proportional to 5,181,334.20, 7,772,001.30 and 1,815,190.20

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Solution

The fourth proportional to 5,181,334.20, 7,772,001.30 and 1,815,190.20 is: 2,722,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,334.20 : 7,772,001.30 = 1,815,190.20 : x
  2. Step 2: Convert to fraction form
    5,181,334.20/7,772,001.30 = 1,815,190.20/x
  3. Step 3: Cross multiply
    5,181,334.20x = 7,772,001.30 × 1,815,190.20
  4. Step 4: Simplify right side
    5,181,334.20x = 14,107,660,594,147.26
  5. Step 5: Solve for x
    x = 14,107,660,594,147.26/5,181,334.20
  6. Step 6: Final answer
    x = 2,722,785.30

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Similar ratio
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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.