Home / 3,379,860.54-5,069,718.90-821,087.52

Finding the Fourth Proportional to 3,379,860.54, 5,069,718.90 and 821,087.52

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Solution

The fourth proportional to 3,379,860.54, 5,069,718.90 and 821,087.52 is: 1,231,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,860.54 : 5,069,718.90 = 821,087.52 : x
  2. Step 2: Convert to fraction form
    3,379,860.54/5,069,718.90 = 821,087.52/x
  3. Step 3: Cross multiply
    3,379,860.54x = 5,069,718.90 × 821,087.52
  4. Step 4: Simplify right side
    3,379,860.54x = 4,162,682,918,698.13
  5. Step 5: Solve for x
    x = 4,162,682,918,698.13/3,379,860.54
  6. Step 6: Final answer
    x = 1,231,613.81

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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.