Home / 2,072,775.12-3,109,162.68-809,717.04

Finding the Fourth Proportional to 2,072,775.12, 3,109,162.68 and 809,717.04

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Solution

The fourth proportional to 2,072,775.12, 3,109,162.68 and 809,717.04 is: 1,214,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,775.12 : 3,109,162.68 = 809,717.04 : x
  2. Step 2: Convert to fraction form
    2,072,775.12/3,109,162.68 = 809,717.04/x
  3. Step 3: Cross multiply
    2,072,775.12x = 3,109,162.68 × 809,717.04
  4. Step 4: Simplify right side
    2,072,775.12x = 2,517,542,002,128.07
  5. Step 5: Solve for x
    x = 2,517,542,002,128.07/2,072,775.12
  6. Step 6: Final answer
    x = 1,214,575.56

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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.