Home / 3,987,680.80-5,981,521.20-2,308,064.80

Finding the Fourth Proportional to 3,987,680.80, 5,981,521.20 and 2,308,064.80

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Solution

The fourth proportional to 3,987,680.80, 5,981,521.20 and 2,308,064.80 is: 3,462,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,680.80 : 5,981,521.20 = 2,308,064.80 : x
  2. Step 2: Convert to fraction form
    3,987,680.80/5,981,521.20 = 2,308,064.80/x
  3. Step 3: Cross multiply
    3,987,680.80x = 5,981,521.20 × 2,308,064.80
  4. Step 4: Simplify right side
    3,987,680.80x = 13,805,738,532,173.76
  5. Step 5: Solve for x
    x = 13,805,738,532,173.76/3,987,680.80
  6. Step 6: Final answer
    x = 3,462,097.20

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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.