Home / 3,993,319.80-5,987,786.10-1,967,105.40

Finding the Fourth Proportional to 3,993,319.80, 5,987,786.10 and 1,967,105.40

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Solution

The fourth proportional to 3,993,319.80, 5,987,786.10 and 1,967,105.40 is: 2,949,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,319.80 : 5,987,786.10 = 1,967,105.40 : x
  2. Step 2: Convert to fraction form
    3,993,319.80/5,987,786.10 = 1,967,105.40/x
  3. Step 3: Cross multiply
    3,993,319.80x = 5,987,786.10 × 1,967,105.40
  4. Step 4: Simplify right side
    3,993,319.80x = 11,778,606,371,354.94
  5. Step 5: Solve for x
    x = 11,778,606,371,354.94/3,993,319.80
  6. Step 6: Final answer
    x = 2,949,577.53

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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.