Home / 1,948,765.21-2,687,961.60-1,270,620.25

Finding the Fourth Proportional to 1,948,765.21, 2,687,961.60 and 1,270,620.25

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Solution

The fourth proportional to 1,948,765.21, 2,687,961.60 and 1,270,620.25 is: 1,752,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,765.21 : 2,687,961.60 = 1,270,620.25 : x
  2. Step 2: Convert to fraction form
    1,948,765.21/2,687,961.60 = 1,270,620.25/x
  3. Step 3: Cross multiply
    1,948,765.21x = 2,687,961.60 × 1,270,620.25
  4. Step 4: Simplify right side
    1,948,765.21x = 3,415,378,440,182.40
  5. Step 5: Solve for x
    x = 3,415,378,440,182.40/1,948,765.21
  6. Step 6: Final answer
    x = 1,752,585.91

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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.