Home / 2,057,198.28-3,086,290.02-858,453.72

Finding the Fourth Proportional to 2,057,198.28, 3,086,290.02 and 858,453.72

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Solution

The fourth proportional to 2,057,198.28, 3,086,290.02 and 858,453.72 is: 1,287,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,198.28 : 3,086,290.02 = 858,453.72 : x
  2. Step 2: Convert to fraction form
    2,057,198.28/3,086,290.02 = 858,453.72/x
  3. Step 3: Cross multiply
    2,057,198.28x = 3,086,290.02 × 858,453.72
  4. Step 4: Simplify right side
    2,057,198.28x = 2,649,437,148,667.87
  5. Step 5: Solve for x
    x = 2,649,437,148,667.87/2,057,198.28
  6. Step 6: Final answer
    x = 1,287,886.14

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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.