Home / 3,340,290.80-5,010,436.20-2,861,993.90

Finding the Fourth Proportional to 3,340,290.80, 5,010,436.20 and 2,861,993.90

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Solution

The fourth proportional to 3,340,290.80, 5,010,436.20 and 2,861,993.90 is: 4,292,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340,290.80 : 5,010,436.20 = 2,861,993.90 : x
  2. Step 2: Convert to fraction form
    3,340,290.80/5,010,436.20 = 2,861,993.90/x
  3. Step 3: Cross multiply
    3,340,290.80x = 5,010,436.20 × 2,861,993.90
  4. Step 4: Simplify right side
    3,340,290.80x = 14,339,837,840,739.18
  5. Step 5: Solve for x
    x = 14,339,837,840,739.18/3,340,290.80
  6. Step 6: Final answer
    x = 4,292,990.85

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Double scale
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Similar ratio
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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.