Home / 3,838,064.78-5,294,309.15-2,479,937.78

Finding the Fourth Proportional to 3,838,064.78, 5,294,309.15 and 2,479,937.78

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Solution

The fourth proportional to 3,838,064.78, 5,294,309.15 and 2,479,937.78 is: 3,420,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,064.78 : 5,294,309.15 = 2,479,937.78 : x
  2. Step 2: Convert to fraction form
    3,838,064.78/5,294,309.15 = 2,479,937.78/x
  3. Step 3: Cross multiply
    3,838,064.78x = 5,294,309.15 × 2,479,937.78
  4. Step 4: Simplify right side
    3,838,064.78x = 13,129,557,255,790.16
  5. Step 5: Solve for x
    x = 13,129,557,255,790.16/3,838,064.78
  6. Step 6: Final answer
    x = 3,420,879.54

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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.