Home / 3,910,890.20-5,868,016.80-1,890,653.22

Finding the Fourth Proportional to 3,910,890.20, 5,868,016.80 and 1,890,653.22

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Solution

The fourth proportional to 3,910,890.20, 5,868,016.80 and 1,890,653.22 is: 2,836,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,890.20 : 5,868,016.80 = 1,890,653.22 : x
  2. Step 2: Convert to fraction form
    3,910,890.20/5,868,016.80 = 1,890,653.22/x
  3. Step 3: Cross multiply
    3,910,890.20x = 5,868,016.80 × 1,890,653.22
  4. Step 4: Simplify right side
    3,910,890.20x = 11,094,384,857,934.10
  5. Step 5: Solve for x
    x = 11,094,384,857,934.10/3,910,890.20
  6. Step 6: Final answer
    x = 2,836,792.73

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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.