Home / 2,325,394.13-3,209,081.21-1,278,856.71

Finding the Fourth Proportional to 2,325,394.13, 3,209,081.21 and 1,278,856.71

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Solution

The fourth proportional to 2,325,394.13, 3,209,081.21 and 1,278,856.71 is: 1,764,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325,394.13 : 3,209,081.21 = 1,278,856.71 : x
  2. Step 2: Convert to fraction form
    2,325,394.13/3,209,081.21 = 1,278,856.71/x
  3. Step 3: Cross multiply
    2,325,394.13x = 3,209,081.21 × 1,278,856.71
  4. Step 4: Simplify right side
    2,325,394.13x = 4,103,955,038,343.42
  5. Step 5: Solve for x
    x = 4,103,955,038,343.42/2,325,394.13
  6. Step 6: Final answer
    x = 1,764,842.78

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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.