Home / 5,131,868.38-7,082,200.66-2,840,029.82

Finding the Fourth Proportional to 5,131,868.38, 7,082,200.66 and 2,840,029.82

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Solution

The fourth proportional to 5,131,868.38, 7,082,200.66 and 2,840,029.82 is: 3,919,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,868.38 : 7,082,200.66 = 2,840,029.82 : x
  2. Step 2: Convert to fraction form
    5,131,868.38/7,082,200.66 = 2,840,029.82/x
  3. Step 3: Cross multiply
    5,131,868.38x = 7,082,200.66 × 2,840,029.82
  4. Step 4: Simplify right side
    5,131,868.38x = 20,113,661,065,623.68
  5. Step 5: Solve for x
    x = 20,113,661,065,623.68/5,131,868.38
  6. Step 6: Final answer
    x = 3,919,364.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.