Home / 2,667,989.75-4,002,095.28-774,731.18

Finding the Fourth Proportional to 2,667,989.75, 4,002,095.28 and 774,731.18

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Solution

The fourth proportional to 2,667,989.75, 4,002,095.28 and 774,731.18 is: 1,162,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,989.75 : 4,002,095.28 = 774,731.18 : x
  2. Step 2: Convert to fraction form
    2,667,989.75/4,002,095.28 = 774,731.18/x
  3. Step 3: Cross multiply
    2,667,989.75x = 4,002,095.28 × 774,731.18
  4. Step 4: Simplify right side
    2,667,989.75x = 3,100,548,011,657.31
  5. Step 5: Solve for x
    x = 3,100,548,011,657.31/2,667,989.75
  6. Step 6: Final answer
    x = 1,162,128.91

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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.