Home / 3,991,825.80-5,987,738.70-1,971,037.80

Finding the Fourth Proportional to 3,991,825.80, 5,987,738.70 and 1,971,037.80

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Solution

The fourth proportional to 3,991,825.80, 5,987,738.70 and 1,971,037.80 is: 2,956,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,825.80 : 5,987,738.70 = 1,971,037.80 : x
  2. Step 2: Convert to fraction form
    3,991,825.80/5,987,738.70 = 1,971,037.80/x
  3. Step 3: Cross multiply
    3,991,825.80x = 5,987,738.70 × 1,971,037.80
  4. Step 4: Simplify right side
    3,991,825.80x = 11,802,059,314,222.86
  5. Step 5: Solve for x
    x = 11,802,059,314,222.86/3,991,825.80
  6. Step 6: Final answer
    x = 2,956,556.70

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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.