Home / 3,917,026.28-5,405,736.15-2,198,146.82

Finding the Fourth Proportional to 3,917,026.28, 5,405,736.15 and 2,198,146.82

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Solution

The fourth proportional to 3,917,026.28, 5,405,736.15 and 2,198,146.82 is: 3,033,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,026.28 : 5,405,736.15 = 2,198,146.82 : x
  2. Step 2: Convert to fraction form
    3,917,026.28/5,405,736.15 = 2,198,146.82/x
  3. Step 3: Cross multiply
    3,917,026.28x = 5,405,736.15 × 2,198,146.82
  4. Step 4: Simplify right side
    3,917,026.28x = 11,882,601,700,852.86
  5. Step 5: Solve for x
    x = 11,882,601,700,852.86/3,917,026.28
  6. Step 6: Final answer
    x = 3,033,577.22

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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.