Home / 3,992,401.80-5,987,436.30-1,433,320.20

Finding the Fourth Proportional to 3,992,401.80, 5,987,436.30 and 1,433,320.20

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Solution

The fourth proportional to 3,992,401.80, 5,987,436.30 and 1,433,320.20 is: 2,149,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,401.80 : 5,987,436.30 = 1,433,320.20 : x
  2. Step 2: Convert to fraction form
    3,992,401.80/5,987,436.30 = 1,433,320.20/x
  3. Step 3: Cross multiply
    3,992,401.80x = 5,987,436.30 × 1,433,320.20
  4. Step 4: Simplify right side
    3,992,401.80x = 8,581,913,395,003.26
  5. Step 5: Solve for x
    x = 8,581,913,395,003.26/3,992,401.80
  6. Step 6: Final answer
    x = 2,149,561.55

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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.