Home / 3,987,813.80-5,981,720.70-2,308,197.80

Finding the Fourth Proportional to 3,987,813.80, 5,981,720.70 and 2,308,197.80

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Solution

The fourth proportional to 3,987,813.80, 5,981,720.70 and 2,308,197.80 is: 3,462,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,813.80 : 5,981,720.70 = 2,308,197.80 : x
  2. Step 2: Convert to fraction form
    3,987,813.80/5,981,720.70 = 2,308,197.80/x
  3. Step 3: Cross multiply
    3,987,813.80x = 5,981,720.70 × 2,308,197.80
  4. Step 4: Simplify right side
    3,987,813.80x = 13,806,994,559,954.46
  5. Step 5: Solve for x
    x = 13,806,994,559,954.46/3,987,813.80
  6. Step 6: Final answer
    x = 3,462,296.70

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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.