Home / 3,992,893.98-5,503,738.23-3,120,211.95

Finding the Fourth Proportional to 3,992,893.98, 5,503,738.23 and 3,120,211.95

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Solution

The fourth proportional to 3,992,893.98, 5,503,738.23 and 3,120,211.95 is: 4,300,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,893.98 : 5,503,738.23 = 3,120,211.95 : x
  2. Step 2: Convert to fraction form
    3,992,893.98/5,503,738.23 = 3,120,211.95/x
  3. Step 3: Cross multiply
    3,992,893.98x = 5,503,738.23 × 3,120,211.95
  4. Step 4: Simplify right side
    3,992,893.98x = 17,172,829,794,917.85
  5. Step 5: Solve for x
    x = 17,172,829,794,917.85/3,992,893.98
  6. Step 6: Final answer
    x = 4,300,847.93

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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.