Home / 2,192,128.40-3,286,637.40-994,624.40

Finding the Fourth Proportional to 2,192,128.40, 3,286,637.40 and 994,624.40

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Solution

The fourth proportional to 2,192,128.40, 3,286,637.40 and 994,624.40 is: 1,491,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,128.40 : 3,286,637.40 = 994,624.40 : x
  2. Step 2: Convert to fraction form
    2,192,128.40/3,286,637.40 = 994,624.40/x
  3. Step 3: Cross multiply
    2,192,128.40x = 3,286,637.40 × 994,624.40
  4. Step 4: Simplify right side
    2,192,128.40x = 3,268,969,751,992.56
  5. Step 5: Solve for x
    x = 3,268,969,751,992.56/2,192,128.40
  6. Step 6: Final answer
    x = 1,491,230.97

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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.