Home / 5,518,978.40-8,278,469.76-2,482,797.80

Finding the Fourth Proportional to 5,518,978.40, 8,278,469.76 and 2,482,797.80

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Solution

The fourth proportional to 5,518,978.40, 8,278,469.76 and 2,482,797.80 is: 3,724,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,978.40 : 8,278,469.76 = 2,482,797.80 : x
  2. Step 2: Convert to fraction form
    5,518,978.40/8,278,469.76 = 2,482,797.80/x
  3. Step 3: Cross multiply
    5,518,978.40x = 8,278,469.76 × 2,482,797.80
  4. Step 4: Simplify right side
    5,518,978.40x = 20,553,766,507,494.53
  5. Step 5: Solve for x
    x = 20,553,766,507,494.53/5,518,978.40
  6. Step 6: Final answer
    x = 3,724,197.67

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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.