Home / 6,399,649.84-8,832,061.92-3,647,179.12

Finding the Fourth Proportional to 6,399,649.84, 8,832,061.92 and 3,647,179.12

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Solution

The fourth proportional to 6,399,649.84, 8,832,061.92 and 3,647,179.12 is: 5,033,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,649.84 : 8,832,061.92 = 3,647,179.12 : x
  2. Step 2: Convert to fraction form
    6,399,649.84/8,832,061.92 = 3,647,179.12/x
  3. Step 3: Cross multiply
    6,399,649.84x = 8,832,061.92 × 3,647,179.12
  4. Step 4: Simplify right side
    6,399,649.84x = 32,212,111,821,171.11
  5. Step 5: Solve for x
    x = 32,212,111,821,171.11/6,399,649.84
  6. Step 6: Final answer
    x = 5,033,417.86

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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.