Home / 1,972,444.20-2,956,196.44-1,059,382.88

Finding the Fourth Proportional to 1,972,444.20, 2,956,196.44 and 1,059,382.88

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Solution

The fourth proportional to 1,972,444.20, 2,956,196.44 and 1,059,382.88 is: 1,587,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,444.20 : 2,956,196.44 = 1,059,382.88 : x
  2. Step 2: Convert to fraction form
    1,972,444.20/2,956,196.44 = 1,059,382.88/x
  3. Step 3: Cross multiply
    1,972,444.20x = 2,956,196.44 × 1,059,382.88
  4. Step 4: Simplify right side
    1,972,444.20x = 3,131,743,898,452.95
  5. Step 5: Solve for x
    x = 3,131,743,898,452.95/1,972,444.20
  6. Step 6: Final answer
    x = 1,587,747.78

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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.