Home / 1,948,765.71-2,687,962.29-1,270,620.75

Finding the Fourth Proportional to 1,948,765.71, 2,687,962.29 and 1,270,620.75

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Solution

The fourth proportional to 1,948,765.71, 2,687,962.29 and 1,270,620.75 is: 1,752,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,765.71 : 2,687,962.29 = 1,270,620.75 : x
  2. Step 2: Convert to fraction form
    1,948,765.71/2,687,962.29 = 1,270,620.75/x
  3. Step 3: Cross multiply
    1,948,765.71x = 2,687,962.29 × 1,270,620.75
  4. Step 4: Simplify right side
    1,948,765.71x = 3,415,380,660,891.52
  5. Step 5: Solve for x
    x = 3,415,380,660,891.52/1,948,765.71
  6. Step 6: Final answer
    x = 1,752,586.60

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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.