Home / 2,080,400.80-3,120,601.20-1,135,616.80

Finding the Fourth Proportional to 2,080,400.80, 3,120,601.20 and 1,135,616.80

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Solution

The fourth proportional to 2,080,400.80, 3,120,601.20 and 1,135,616.80 is: 1,703,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,400.80 : 3,120,601.20 = 1,135,616.80 : x
  2. Step 2: Convert to fraction form
    2,080,400.80/3,120,601.20 = 1,135,616.80/x
  3. Step 3: Cross multiply
    2,080,400.80x = 3,120,601.20 × 1,135,616.80
  4. Step 4: Simplify right side
    2,080,400.80x = 3,543,807,148,820.16
  5. Step 5: Solve for x
    x = 3,543,807,148,820.16/2,080,400.80
  6. Step 6: Final answer
    x = 1,703,425.20

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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.