Home / 3,418,279.80-5,121,198.90-2,783,758.20

Finding the Fourth Proportional to 3,418,279.80, 5,121,198.90 and 2,783,758.20

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Solution

The fourth proportional to 3,418,279.80, 5,121,198.90 and 2,783,758.20 is: 4,170,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,279.80 : 5,121,198.90 = 2,783,758.20 : x
  2. Step 2: Convert to fraction form
    3,418,279.80/5,121,198.90 = 2,783,758.20/x
  3. Step 3: Cross multiply
    3,418,279.80x = 5,121,198.90 × 2,783,758.20
  4. Step 4: Simplify right side
    3,418,279.80x = 14,256,179,431,705.98
  5. Step 5: Solve for x
    x = 14,256,179,431,705.98/3,418,279.80
  6. Step 6: Final answer
    x = 4,170,571.24

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1.5x scale

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.