Home / 6,419,289.54-8,858,726.60-3,479,200.53

Finding the Fourth Proportional to 6,419,289.54, 8,858,726.60 and 3,479,200.53

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Solution

The fourth proportional to 6,419,289.54, 8,858,726.60 and 3,479,200.53 is: 4,801,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,289.54 : 8,858,726.60 = 3,479,200.53 : x
  2. Step 2: Convert to fraction form
    6,419,289.54/8,858,726.60 = 3,479,200.53/x
  3. Step 3: Cross multiply
    6,419,289.54x = 8,858,726.60 × 3,479,200.53
  4. Step 4: Simplify right side
    6,419,289.54x = 30,821,286,264,449.10
  5. Step 5: Solve for x
    x = 30,821,286,264,449.10/6,419,289.54
  6. Step 6: Final answer
    x = 4,801,354.74

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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.