Home / 2,687,251.40-4,030,877.10-890,412.20

Finding the Fourth Proportional to 2,687,251.40, 4,030,877.10 and 890,412.20

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Solution

The fourth proportional to 2,687,251.40, 4,030,877.10 and 890,412.20 is: 1,335,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,251.40 : 4,030,877.10 = 890,412.20 : x
  2. Step 2: Convert to fraction form
    2,687,251.40/4,030,877.10 = 890,412.20/x
  3. Step 3: Cross multiply
    2,687,251.40x = 4,030,877.10 × 890,412.20
  4. Step 4: Simplify right side
    2,687,251.40x = 3,589,142,146,540.62
  5. Step 5: Solve for x
    x = 3,589,142,146,540.62/2,687,251.40
  6. Step 6: Final answer
    x = 1,335,618.30

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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.