Home / 2,987,033.85-4,479,623.12-1,067,678.91

Finding the Fourth Proportional to 2,987,033.85, 4,479,623.12 and 1,067,678.91

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Solution

The fourth proportional to 2,987,033.85, 4,479,623.12 and 1,067,678.91 is: 1,601,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,033.85 : 4,479,623.12 = 1,067,678.91 : x
  2. Step 2: Convert to fraction form
    2,987,033.85/4,479,623.12 = 1,067,678.91/x
  3. Step 3: Cross multiply
    2,987,033.85x = 4,479,623.12 × 1,067,678.91
  4. Step 4: Simplify right side
    2,987,033.85x = 4,782,799,129,972.40
  5. Step 5: Solve for x
    x = 4,782,799,129,972.40/2,987,033.85
  6. Step 6: Final answer
    x = 1,601,186.79

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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.