Home / 2,867,908.60-3,957,764.52-1,561,198.42

Finding the Fourth Proportional to 2,867,908.60, 3,957,764.52 and 1,561,198.42

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Solution

The fourth proportional to 2,867,908.60, 3,957,764.52 and 1,561,198.42 is: 2,154,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,908.60 : 3,957,764.52 = 1,561,198.42 : x
  2. Step 2: Convert to fraction form
    2,867,908.60/3,957,764.52 = 1,561,198.42/x
  3. Step 3: Cross multiply
    2,867,908.60x = 3,957,764.52 × 1,561,198.42
  4. Step 4: Simplify right side
    2,867,908.60x = 6,178,855,715,356.06
  5. Step 5: Solve for x
    x = 6,178,855,715,356.06/2,867,908.60
  6. Step 6: Final answer
    x = 2,154,481.39

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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.