Home / 3,120,439.80-4,680,659.70-2,766,145.80

Finding the Fourth Proportional to 3,120,439.80, 4,680,659.70 and 2,766,145.80

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Solution

The fourth proportional to 3,120,439.80, 4,680,659.70 and 2,766,145.80 is: 4,149,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,439.80 : 4,680,659.70 = 2,766,145.80 : x
  2. Step 2: Convert to fraction form
    3,120,439.80/4,680,659.70 = 2,766,145.80/x
  3. Step 3: Cross multiply
    3,120,439.80x = 4,680,659.70 × 2,766,145.80
  4. Step 4: Simplify right side
    3,120,439.80x = 12,947,387,170,384.26
  5. Step 5: Solve for x
    x = 12,947,387,170,384.26/3,120,439.80
  6. Step 6: Final answer
    x = 4,149,218.70

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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.