Home / 1,691,481.32-2,539,387.16-1,453,120.19

Finding the Fourth Proportional to 1,691,481.32, 2,539,387.16 and 1,453,120.19

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Solution

The fourth proportional to 1,691,481.32, 2,539,387.16 and 1,453,120.19 is: 2,181,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,481.32 : 2,539,387.16 = 1,453,120.19 : x
  2. Step 2: Convert to fraction form
    1,691,481.32/2,539,387.16 = 1,453,120.19/x
  3. Step 3: Cross multiply
    1,691,481.32x = 2,539,387.16 × 1,453,120.19
  4. Step 4: Simplify right side
    1,691,481.32x = 3,690,034,752,422.76
  5. Step 5: Solve for x
    x = 3,690,034,752,422.76/1,691,481.32
  6. Step 6: Final answer
    x = 2,181,540.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.