Home / 2,325,387.12-3,209,071.54-1,278,849.71

Finding the Fourth Proportional to 2,325,387.12, 3,209,071.54 and 1,278,849.71

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Solution

The fourth proportional to 2,325,387.12, 3,209,071.54 and 1,278,849.71 is: 1,764,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325,387.12 : 3,209,071.54 = 1,278,849.71 : x
  2. Step 2: Convert to fraction form
    2,325,387.12/3,209,071.54 = 1,278,849.71/x
  3. Step 3: Cross multiply
    2,325,387.12x = 3,209,071.54 × 1,278,849.71
  4. Step 4: Simplify right side
    2,325,387.12x = 4,103,920,201,067.39
  5. Step 5: Solve for x
    x = 4,103,920,201,067.39/2,325,387.12
  6. Step 6: Final answer
    x = 1,764,833.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.