Home / 3,105,295.88-4,658,449.42-917,086.96

Finding the Fourth Proportional to 3,105,295.88, 4,658,449.42 and 917,086.96

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Solution

The fourth proportional to 3,105,295.88, 4,658,449.42 and 917,086.96 is: 1,375,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,295.88 : 4,658,449.42 = 917,086.96 : x
  2. Step 2: Convert to fraction form
    3,105,295.88/4,658,449.42 = 917,086.96/x
  3. Step 3: Cross multiply
    3,105,295.88x = 4,658,449.42 × 917,086.96
  4. Step 4: Simplify right side
    3,105,295.88x = 4,272,203,206,401.80
  5. Step 5: Solve for x
    x = 4,272,203,206,401.80/3,105,295.88
  6. Step 6: Final answer
    x = 1,375,779.75

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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.