Home / 1,976,883.83-2,728,067.20-1,105,738.86

Finding the Fourth Proportional to 1,976,883.83, 2,728,067.20 and 1,105,738.86

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Solution

The fourth proportional to 1,976,883.83, 2,728,067.20 and 1,105,738.86 is: 1,525,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,883.83 : 2,728,067.20 = 1,105,738.86 : x
  2. Step 2: Convert to fraction form
    1,976,883.83/2,728,067.20 = 1,105,738.86/x
  3. Step 3: Cross multiply
    1,976,883.83x = 2,728,067.20 × 1,105,738.86
  4. Step 4: Simplify right side
    1,976,883.83x = 3,016,529,915,731.39
  5. Step 5: Solve for x
    x = 3,016,529,915,731.39/1,976,883.83
  6. Step 6: Final answer
    x = 1,525,901.46

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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.