Home / 1,976,586.44-2,728,177.62-1,298,441.48

Finding the Fourth Proportional to 1,976,586.44, 2,728,177.62 and 1,298,441.48

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Solution

The fourth proportional to 1,976,586.44, 2,728,177.62 and 1,298,441.48 is: 1,792,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,586.44 : 2,728,177.62 = 1,298,441.48 : x
  2. Step 2: Convert to fraction form
    1,976,586.44/2,728,177.62 = 1,298,441.48/x
  3. Step 3: Cross multiply
    1,976,586.44x = 2,728,177.62 × 1,298,441.48
  4. Step 4: Simplify right side
    1,976,586.44x = 3,542,378,986,615.68
  5. Step 5: Solve for x
    x = 3,542,378,986,615.68/1,976,586.44
  6. Step 6: Final answer
    x = 1,792,170.03

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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.