Home / 3,456,748.23-4,769,600.38-1,986,372.78

Finding the Fourth Proportional to 3,456,748.23, 4,769,600.38 and 1,986,372.78

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Solution

The fourth proportional to 3,456,748.23, 4,769,600.38 and 1,986,372.78 is: 2,740,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,748.23 : 4,769,600.38 = 1,986,372.78 : x
  2. Step 2: Convert to fraction form
    3,456,748.23/4,769,600.38 = 1,986,372.78/x
  3. Step 3: Cross multiply
    3,456,748.23x = 4,769,600.38 × 1,986,372.78
  4. Step 4: Simplify right side
    3,456,748.23x = 9,474,204,366,309.66
  5. Step 5: Solve for x
    x = 9,474,204,366,309.66/3,456,748.23
  6. Step 6: Final answer
    x = 2,740,785.19

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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.