Home / 2,667,979.57-4,002,080.07-774,721

Finding the Fourth Proportional to 2,667,979.57, 4,002,080.07 and 774,721

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Solution

The fourth proportional to 2,667,979.57, 4,002,080.07 and 774,721 is: 1,162,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,979.57 : 4,002,080.07 = 774,721 : x
  2. Step 2: Convert to fraction form
    2,667,979.57/4,002,080.07 = 774,721/x
  3. Step 3: Cross multiply
    2,667,979.57x = 4,002,080.07 × 774,721
  4. Step 4: Simplify right side
    2,667,979.57x = 3,100,495,473,910.47
  5. Step 5: Solve for x
    x = 3,100,495,473,910.47/2,667,979.57
  6. Step 6: Final answer
    x = 1,162,113.65

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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.