Home / 1,969,728.20-2,717,761.92-1,195,341.56

Finding the Fourth Proportional to 1,969,728.20, 2,717,761.92 and 1,195,341.56

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Solution

The fourth proportional to 1,969,728.20, 2,717,761.92 and 1,195,341.56 is: 1,649,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,728.20 : 2,717,761.92 = 1,195,341.56 : x
  2. Step 2: Convert to fraction form
    1,969,728.20/2,717,761.92 = 1,195,341.56/x
  3. Step 3: Cross multiply
    1,969,728.20x = 2,717,761.92 × 1,195,341.56
  4. Step 4: Simplify right side
    1,969,728.20x = 3,248,653,773,161.40
  5. Step 5: Solve for x
    x = 3,248,653,773,161.40/1,969,728.20
  6. Step 6: Final answer
    x = 1,649,290.38

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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.