Home / 3,989,418.80-5,984,128.20-2,305,655.60

Finding the Fourth Proportional to 3,989,418.80, 5,984,128.20 and 2,305,655.60

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Solution

The fourth proportional to 3,989,418.80, 5,984,128.20 and 2,305,655.60 is: 3,458,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,418.80 : 5,984,128.20 = 2,305,655.60 : x
  2. Step 2: Convert to fraction form
    3,989,418.80/5,984,128.20 = 2,305,655.60/x
  3. Step 3: Cross multiply
    3,989,418.80x = 5,984,128.20 × 2,305,655.60
  4. Step 4: Simplify right side
    3,989,418.80x = 13,797,338,695,447.92
  5. Step 5: Solve for x
    x = 13,797,338,695,447.92/3,989,418.80
  6. Step 6: Final answer
    x = 3,458,483.40

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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.