Home / 3,511,319.20-5,268,728.40-1,996,165.60

Finding the Fourth Proportional to 3,511,319.20, 5,268,728.40 and 1,996,165.60

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Solution

The fourth proportional to 3,511,319.20, 5,268,728.40 and 1,996,165.60 is: 2,995,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,319.20 : 5,268,728.40 = 1,996,165.60 : x
  2. Step 2: Convert to fraction form
    3,511,319.20/5,268,728.40 = 1,996,165.60/x
  3. Step 3: Cross multiply
    3,511,319.20x = 5,268,728.40 × 1,996,165.60
  4. Step 4: Simplify right side
    3,511,319.20x = 10,517,254,387,823.04
  5. Step 5: Solve for x
    x = 10,517,254,387,823.04/3,511,319.20
  6. Step 6: Final answer
    x = 2,995,243.04

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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.