Home / 2,072,755.32-3,109,133.02-809,697.20

Finding the Fourth Proportional to 2,072,755.32, 3,109,133.02 and 809,697.20

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Solution

The fourth proportional to 2,072,755.32, 3,109,133.02 and 809,697.20 is: 1,214,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,755.32 : 3,109,133.02 = 809,697.20 : x
  2. Step 2: Convert to fraction form
    2,072,755.32/3,109,133.02 = 809,697.20/x
  3. Step 3: Cross multiply
    2,072,755.32x = 3,109,133.02 × 809,697.20
  4. Step 4: Simplify right side
    2,072,755.32x = 2,517,456,300,721.54
  5. Step 5: Solve for x
    x = 2,517,456,300,721.54/2,072,755.32
  6. Step 6: Final answer
    x = 1,214,545.82

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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.