Home / 3,985,912.32-5,500,675.20-2,175,192.96

Finding the Fourth Proportional to 3,985,912.32, 5,500,675.20 and 2,175,192.96

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Solution

The fourth proportional to 3,985,912.32, 5,500,675.20 and 2,175,192.96 is: 3,001,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,912.32 : 5,500,675.20 = 2,175,192.96 : x
  2. Step 2: Convert to fraction form
    3,985,912.32/5,500,675.20 = 2,175,192.96/x
  3. Step 3: Cross multiply
    3,985,912.32x = 5,500,675.20 × 2,175,192.96
  4. Step 4: Simplify right side
    3,985,912.32x = 11,965,029,970,286.59
  5. Step 5: Solve for x
    x = 11,965,029,970,286.59/3,985,912.32
  6. Step 6: Final answer
    x = 3,001,829.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.