Home / 3,105,297.88-4,658,452.42-917,088.96

Finding the Fourth Proportional to 3,105,297.88, 4,658,452.42 and 917,088.96

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Solution

The fourth proportional to 3,105,297.88, 4,658,452.42 and 917,088.96 is: 1,375,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,297.88 : 4,658,452.42 = 917,088.96 : x
  2. Step 2: Convert to fraction form
    3,105,297.88/4,658,452.42 = 917,088.96/x
  3. Step 3: Cross multiply
    3,105,297.88x = 4,658,452.42 × 917,088.96
  4. Step 4: Simplify right side
    3,105,297.88x = 4,272,215,285,067.28
  5. Step 5: Solve for x
    x = 4,272,215,285,067.28/3,105,297.88
  6. Step 6: Final answer
    x = 1,375,782.76

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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.