Home / 2,072,822.12-3,109,233.20-809,764.04

Finding the Fourth Proportional to 2,072,822.12, 3,109,233.20 and 809,764.04

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Solution

The fourth proportional to 2,072,822.12, 3,109,233.20 and 809,764.04 is: 1,214,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,822.12 : 3,109,233.20 = 809,764.04 : x
  2. Step 2: Convert to fraction form
    2,072,822.12/3,109,233.20 = 809,764.04/x
  3. Step 3: Cross multiply
    2,072,822.12x = 3,109,233.20 × 809,764.04
  4. Step 4: Simplify right side
    2,072,822.12x = 2,517,745,237,334.13
  5. Step 5: Solve for x
    x = 2,517,745,237,334.13/2,072,822.12
  6. Step 6: Final answer
    x = 1,214,646.07

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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.