Home / 2,667,819.60-4,002,247.80-774,622.80

Finding the Fourth Proportional to 2,667,819.60, 4,002,247.80 and 774,622.80

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Solution

The fourth proportional to 2,667,819.60, 4,002,247.80 and 774,622.80 is: 1,162,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,819.60 : 4,002,247.80 = 774,622.80 : x
  2. Step 2: Convert to fraction form
    2,667,819.60/4,002,247.80 = 774,622.80/x
  3. Step 3: Cross multiply
    2,667,819.60x = 4,002,247.80 × 774,622.80
  4. Step 4: Simplify right side
    2,667,819.60x = 3,100,232,397,129.84
  5. Step 5: Solve for x
    x = 3,100,232,397,129.84/2,667,819.60
  6. Step 6: Final answer
    x = 1,162,084.72

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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.