Home / 2,888,665.52-3,986,843.64-1,682,152.88

Finding the Fourth Proportional to 2,888,665.52, 3,986,843.64 and 1,682,152.88

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Solution

The fourth proportional to 2,888,665.52, 3,986,843.64 and 1,682,152.88 is: 2,321,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,665.52 : 3,986,843.64 = 1,682,152.88 : x
  2. Step 2: Convert to fraction form
    2,888,665.52/3,986,843.64 = 1,682,152.88/x
  3. Step 3: Cross multiply
    2,888,665.52x = 3,986,843.64 × 1,682,152.88
  4. Step 4: Simplify right side
    2,888,665.52x = 6,706,480,511,135.68
  5. Step 5: Solve for x
    x = 6,706,480,511,135.68/2,888,665.52
  6. Step 6: Final answer
    x = 2,321,653.53

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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.