Home / 5,408,086.40-8,112,129.60-3,280,572.80

Finding the Fourth Proportional to 5,408,086.40, 8,112,129.60 and 3,280,572.80

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Solution

The fourth proportional to 5,408,086.40, 8,112,129.60 and 3,280,572.80 is: 4,920,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408,086.40 : 8,112,129.60 = 3,280,572.80 : x
  2. Step 2: Convert to fraction form
    5,408,086.40/8,112,129.60 = 3,280,572.80/x
  3. Step 3: Cross multiply
    5,408,086.40x = 8,112,129.60 × 3,280,572.80
  4. Step 4: Simplify right side
    5,408,086.40x = 26,612,431,715,834.88
  5. Step 5: Solve for x
    x = 26,612,431,715,834.88/5,408,086.40
  6. Step 6: Final answer
    x = 4,920,859.20

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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.