Home / 2,008,207.88-3,012,408.66-660,340.64

Finding the Fourth Proportional to 2,008,207.88, 3,012,408.66 and 660,340.64

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Solution

The fourth proportional to 2,008,207.88, 3,012,408.66 and 660,340.64 is: 990,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,207.88 : 3,012,408.66 = 660,340.64 : x
  2. Step 2: Convert to fraction form
    2,008,207.88/3,012,408.66 = 660,340.64/x
  3. Step 3: Cross multiply
    2,008,207.88x = 3,012,408.66 × 660,340.64
  4. Step 4: Simplify right side
    2,008,207.88x = 1,989,215,872,493.24
  5. Step 5: Solve for x
    x = 1,989,215,872,493.24/2,008,207.88
  6. Step 6: Final answer
    x = 990,542.81

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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.