Home / 3,987,988.60-5,981,982.90-1,463,315.80

Finding the Fourth Proportional to 3,987,988.60, 5,981,982.90 and 1,463,315.80

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Solution

The fourth proportional to 3,987,988.60, 5,981,982.90 and 1,463,315.80 is: 2,194,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,988.60 : 5,981,982.90 = 1,463,315.80 : x
  2. Step 2: Convert to fraction form
    3,987,988.60/5,981,982.90 = 1,463,315.80/x
  3. Step 3: Cross multiply
    3,987,988.60x = 5,981,982.90 × 1,463,315.80
  4. Step 4: Simplify right side
    3,987,988.60x = 8,753,530,092,899.82
  5. Step 5: Solve for x
    x = 8,753,530,092,899.82/3,987,988.60
  6. Step 6: Final answer
    x = 2,194,973.70

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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.