Home / 2,666,843.19-3,680,215.56-1,443,121.92

Finding the Fourth Proportional to 2,666,843.19, 3,680,215.56 and 1,443,121.92

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Solution

The fourth proportional to 2,666,843.19, 3,680,215.56 and 1,443,121.92 is: 1,991,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,843.19 : 3,680,215.56 = 1,443,121.92 : x
  2. Step 2: Convert to fraction form
    2,666,843.19/3,680,215.56 = 1,443,121.92/x
  3. Step 3: Cross multiply
    2,666,843.19x = 3,680,215.56 × 1,443,121.92
  4. Step 4: Simplify right side
    2,666,843.19x = 5,310,999,744,961.08
  5. Step 5: Solve for x
    x = 5,310,999,744,961.08/2,666,843.19
  6. Step 6: Final answer
    x = 1,991,493.07

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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.