Home / 5,278,810.20-7,915,007.70-2,080,249.80

Finding the Fourth Proportional to 5,278,810.20, 7,915,007.70 and 2,080,249.80

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Solution

The fourth proportional to 5,278,810.20, 7,915,007.70 and 2,080,249.80 is: 3,119,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,810.20 : 7,915,007.70 = 2,080,249.80 : x
  2. Step 2: Convert to fraction form
    5,278,810.20/7,915,007.70 = 2,080,249.80/x
  3. Step 3: Cross multiply
    5,278,810.20x = 7,915,007.70 × 2,080,249.80
  4. Step 4: Simplify right side
    5,278,810.20x = 16,465,193,184,923.46
  5. Step 5: Solve for x
    x = 16,465,193,184,923.46/5,278,810.20
  6. Step 6: Final answer
    x = 3,119,110.66

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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.