Home / 3,986,448.88-5,500,575.12-2,355,121.84

Finding the Fourth Proportional to 3,986,448.88, 5,500,575.12 and 2,355,121.84

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Solution

The fourth proportional to 3,986,448.88, 5,500,575.12 and 2,355,121.84 is: 3,249,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,448.88 : 5,500,575.12 = 2,355,121.84 : x
  2. Step 2: Convert to fraction form
    3,986,448.88/5,500,575.12 = 2,355,121.84/x
  3. Step 3: Cross multiply
    3,986,448.88x = 5,500,575.12 × 2,355,121.84
  4. Step 4: Simplify right side
    3,986,448.88x = 12,954,524,597,672.62
  5. Step 5: Solve for x
    x = 12,954,524,597,672.62/3,986,448.88
  6. Step 6: Final answer
    x = 3,249,640.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.