Home / 3,987,890.80-5,981,836.20-2,308,274.80

Finding the Fourth Proportional to 3,987,890.80, 5,981,836.20 and 2,308,274.80

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Solution

The fourth proportional to 3,987,890.80, 5,981,836.20 and 2,308,274.80 is: 3,462,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,890.80 : 5,981,836.20 = 2,308,274.80 : x
  2. Step 2: Convert to fraction form
    3,987,890.80/5,981,836.20 = 2,308,274.80/x
  3. Step 3: Cross multiply
    3,987,890.80x = 5,981,836.20 × 2,308,274.80
  4. Step 4: Simplify right side
    3,987,890.80x = 13,807,721,758,187.76
  5. Step 5: Solve for x
    x = 13,807,721,758,187.76/3,987,890.80
  6. Step 6: Final answer
    x = 3,462,412.20

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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.