Home / 4,755,709.75-7,129,365.54-3,638,765.11

Finding the Fourth Proportional to 4,755,709.75, 7,129,365.54 and 3,638,765.11

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Solution

The fourth proportional to 4,755,709.75, 7,129,365.54 and 3,638,765.11 is: 5,454,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755,709.75 : 7,129,365.54 = 3,638,765.11 : x
  2. Step 2: Convert to fraction form
    4,755,709.75/7,129,365.54 = 3,638,765.11/x
  3. Step 3: Cross multiply
    4,755,709.75x = 7,129,365.54 × 3,638,765.11
  4. Step 4: Simplify right side
    4,755,709.75x = 25,942,086,583,388.31
  5. Step 5: Solve for x
    x = 25,942,086,583,388.31/4,755,709.75
  6. Step 6: Final answer
    x = 5,454,934.79

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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.