Home / 3,906,145.80-5,859,218.70-1,661,992.20

Finding the Fourth Proportional to 3,906,145.80, 5,859,218.70 and 1,661,992.20

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Solution

The fourth proportional to 3,906,145.80, 5,859,218.70 and 1,661,992.20 is: 2,492,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,145.80 : 5,859,218.70 = 1,661,992.20 : x
  2. Step 2: Convert to fraction form
    3,906,145.80/5,859,218.70 = 1,661,992.20/x
  3. Step 3: Cross multiply
    3,906,145.80x = 5,859,218.70 × 1,661,992.20
  4. Step 4: Simplify right side
    3,906,145.80x = 9,737,975,777,494.14
  5. Step 5: Solve for x
    x = 9,737,975,777,494.14/3,906,145.80
  6. Step 6: Final answer
    x = 2,492,988.30

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Similar ratio
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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.