Home / 3,642,977.75-5,464,729.07-1,399,115.75

Finding the Fourth Proportional to 3,642,977.75, 5,464,729.07 and 1,399,115.75

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Solution

The fourth proportional to 3,642,977.75, 5,464,729.07 and 1,399,115.75 is: 2,098,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,977.75 : 5,464,729.07 = 1,399,115.75 : x
  2. Step 2: Convert to fraction form
    3,642,977.75/5,464,729.07 = 1,399,115.75/x
  3. Step 3: Cross multiply
    3,642,977.75x = 5,464,729.07 × 1,399,115.75
  4. Step 4: Simplify right side
    3,642,977.75x = 7,645,788,511,319.85
  5. Step 5: Solve for x
    x = 7,645,788,511,319.85/3,642,977.75
  6. Step 6: Final answer
    x = 2,098,774.42

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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.