Home / 2,278,979.72-3,412,684.53-1,367,589.18

Finding the Fourth Proportional to 2,278,979.72, 3,412,684.53 and 1,367,589.18

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Solution

The fourth proportional to 2,278,979.72, 3,412,684.53 and 1,367,589.18 is: 2,047,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,979.72 : 3,412,684.53 = 1,367,589.18 : x
  2. Step 2: Convert to fraction form
    2,278,979.72/3,412,684.53 = 1,367,589.18/x
  3. Step 3: Cross multiply
    2,278,979.72x = 3,412,684.53 × 1,367,589.18
  4. Step 4: Simplify right side
    2,278,979.72x = 4,667,150,437,981.39
  5. Step 5: Solve for x
    x = 4,667,150,437,981.39/2,278,979.72
  6. Step 6: Final answer
    x = 2,047,912.23

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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.