Home / 2,319,380.24-3,200,770.68-1,286,906.72

Finding the Fourth Proportional to 2,319,380.24, 3,200,770.68 and 1,286,906.72

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Solution

The fourth proportional to 2,319,380.24, 3,200,770.68 and 1,286,906.72 is: 1,775,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,380.24 : 3,200,770.68 = 1,286,906.72 : x
  2. Step 2: Convert to fraction form
    2,319,380.24/3,200,770.68 = 1,286,906.72/x
  3. Step 3: Cross multiply
    2,319,380.24x = 3,200,770.68 × 1,286,906.72
  4. Step 4: Simplify right side
    2,319,380.24x = 4,119,093,297,270.97
  5. Step 5: Solve for x
    x = 4,119,093,297,270.97/2,319,380.24
  6. Step 6: Final answer
    x = 1,775,945.67

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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.