Home / 2,091,787.74-3,139,363.31-1,081,205.82

Finding the Fourth Proportional to 2,091,787.74, 3,139,363.31 and 1,081,205.82

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Solution

The fourth proportional to 2,091,787.74, 3,139,363.31 and 1,081,205.82 is: 1,622,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,787.74 : 3,139,363.31 = 1,081,205.82 : x
  2. Step 2: Convert to fraction form
    2,091,787.74/3,139,363.31 = 1,081,205.82/x
  3. Step 3: Cross multiply
    2,091,787.74x = 3,139,363.31 × 1,081,205.82
  4. Step 4: Simplify right side
    2,091,787.74x = 3,394,297,876,460.44
  5. Step 5: Solve for x
    x = 3,394,297,876,460.44/2,091,787.74
  6. Step 6: Final answer
    x = 1,622,677.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.