Home / 3,557,790.65-4,910,558.10-2,781,886.79

Finding the Fourth Proportional to 3,557,790.65, 4,910,558.10 and 2,781,886.79

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Solution

The fourth proportional to 3,557,790.65, 4,910,558.10 and 2,781,886.79 is: 3,839,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,790.65 : 4,910,558.10 = 2,781,886.79 : x
  2. Step 2: Convert to fraction form
    3,557,790.65/4,910,558.10 = 2,781,886.79/x
  3. Step 3: Cross multiply
    3,557,790.65x = 4,910,558.10 × 2,781,886.79
  4. Step 4: Simplify right side
    3,557,790.65x = 13,660,616,709,917.50
  5. Step 5: Solve for x
    x = 13,660,616,709,917.50/3,557,790.65
  6. Step 6: Final answer
    x = 3,839,634.78

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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.