Home / 3,818,956.78-5,270,198.07-2,100,089.26

Finding the Fourth Proportional to 3,818,956.78, 5,270,198.07 and 2,100,089.26

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Solution

The fourth proportional to 3,818,956.78, 5,270,198.07 and 2,100,089.26 is: 2,898,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,956.78 : 5,270,198.07 = 2,100,089.26 : x
  2. Step 2: Convert to fraction form
    3,818,956.78/5,270,198.07 = 2,100,089.26/x
  3. Step 3: Cross multiply
    3,818,956.78x = 5,270,198.07 × 2,100,089.26
  4. Step 4: Simplify right side
    3,818,956.78x = 11,067,886,364,879.73
  5. Step 5: Solve for x
    x = 11,067,886,364,879.73/3,818,956.78
  6. Step 6: Final answer
    x = 2,898,143.92

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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.