Home / 3,969,830.10-5,954,745.15-3,633,906.90

Finding the Fourth Proportional to 3,969,830.10, 5,954,745.15 and 3,633,906.90

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Solution

The fourth proportional to 3,969,830.10, 5,954,745.15 and 3,633,906.90 is: 5,450,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,830.10 : 5,954,745.15 = 3,633,906.90 : x
  2. Step 2: Convert to fraction form
    3,969,830.10/5,954,745.15 = 3,633,906.90/x
  3. Step 3: Cross multiply
    3,969,830.10x = 5,954,745.15 × 3,633,906.90
  4. Step 4: Simplify right side
    3,969,830.10x = 21,638,989,488,326.54
  5. Step 5: Solve for x
    x = 21,638,989,488,326.54/3,969,830.10
  6. Step 6: Final answer
    x = 5,450,860.35

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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.