Home / 5,268,354.40-7,902,531.60-1,279,266.40

Finding the Fourth Proportional to 5,268,354.40, 7,902,531.60 and 1,279,266.40

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Solution

The fourth proportional to 5,268,354.40, 7,902,531.60 and 1,279,266.40 is: 1,918,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268,354.40 : 7,902,531.60 = 1,279,266.40 : x
  2. Step 2: Convert to fraction form
    5,268,354.40/7,902,531.60 = 1,279,266.40/x
  3. Step 3: Cross multiply
    5,268,354.40x = 7,902,531.60 × 1,279,266.40
  4. Step 4: Simplify right side
    5,268,354.40x = 10,109,443,150,818.24
  5. Step 5: Solve for x
    x = 10,109,443,150,818.24/5,268,354.40
  6. Step 6: Final answer
    x = 1,918,899.60

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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.