Home / 2,072,752.72-3,109,129.02-809,694.60

Finding the Fourth Proportional to 2,072,752.72, 3,109,129.02 and 809,694.60

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Solution

The fourth proportional to 2,072,752.72, 3,109,129.02 and 809,694.60 is: 1,214,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,752.72 : 3,109,129.02 = 809,694.60 : x
  2. Step 2: Convert to fraction form
    2,072,752.72/3,109,129.02 = 809,694.60/x
  3. Step 3: Cross multiply
    2,072,752.72x = 3,109,129.02 × 809,694.60
  4. Step 4: Simplify right side
    2,072,752.72x = 2,517,444,978,197.29
  5. Step 5: Solve for x
    x = 2,517,444,978,197.29/2,072,752.72
  6. Step 6: Final answer
    x = 1,214,541.88

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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.