Home / 2,375,220.44-3,277,806.62-1,287,491.78

Finding the Fourth Proportional to 2,375,220.44, 3,277,806.62 and 1,287,491.78

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Solution

The fourth proportional to 2,375,220.44, 3,277,806.62 and 1,287,491.78 is: 1,776,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375,220.44 : 3,277,806.62 = 1,287,491.78 : x
  2. Step 2: Convert to fraction form
    2,375,220.44/3,277,806.62 = 1,287,491.78/x
  3. Step 3: Cross multiply
    2,375,220.44x = 3,277,806.62 × 1,287,491.78
  4. Step 4: Simplify right side
    2,375,220.44x = 4,220,149,081,436.64
  5. Step 5: Solve for x
    x = 4,220,149,081,436.64/2,375,220.44
  6. Step 6: Final answer
    x = 1,776,739.96

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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.