Home / 2,789,081.44-4,182,239.46-991,694.68

Finding the Fourth Proportional to 2,789,081.44, 4,182,239.46 and 991,694.68

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Solution

The fourth proportional to 2,789,081.44, 4,182,239.46 and 991,694.68 is: 1,487,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,081.44 : 4,182,239.46 = 991,694.68 : x
  2. Step 2: Convert to fraction form
    2,789,081.44/4,182,239.46 = 991,694.68/x
  3. Step 3: Cross multiply
    2,789,081.44x = 4,182,239.46 × 991,694.68
  4. Step 4: Simplify right side
    2,789,081.44x = 4,147,504,622,968.07
  5. Step 5: Solve for x
    x = 4,147,504,622,968.07/2,789,081.44
  6. Step 6: Final answer
    x = 1,487,050.38

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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.