Home / 2,871,198.20-4,306,451.70-1,188,126.20

Finding the Fourth Proportional to 2,871,198.20, 4,306,451.70 and 1,188,126.20

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Solution

The fourth proportional to 2,871,198.20, 4,306,451.70 and 1,188,126.20 is: 1,782,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,198.20 : 4,306,451.70 = 1,188,126.20 : x
  2. Step 2: Convert to fraction form
    2,871,198.20/4,306,451.70 = 1,188,126.20/x
  3. Step 3: Cross multiply
    2,871,198.20x = 4,306,451.70 × 1,188,126.20
  4. Step 4: Simplify right side
    2,871,198.20x = 5,116,608,093,804.54
  5. Step 5: Solve for x
    x = 5,116,608,093,804.54/2,871,198.20
  6. Step 6: Final answer
    x = 1,782,046.29

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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.