Home / 2,279,600.21-3,145,540.19-1,299,665.67

Finding the Fourth Proportional to 2,279,600.21, 3,145,540.19 and 1,299,665.67

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Solution

The fourth proportional to 2,279,600.21, 3,145,540.19 and 1,299,665.67 is: 1,793,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,600.21 : 3,145,540.19 = 1,299,665.67 : x
  2. Step 2: Convert to fraction form
    2,279,600.21/3,145,540.19 = 1,299,665.67/x
  3. Step 3: Cross multiply
    2,279,600.21x = 3,145,540.19 × 1,299,665.67
  4. Step 4: Simplify right side
    2,279,600.21x = 4,088,150,592,049.95
  5. Step 5: Solve for x
    x = 4,088,150,592,049.95/2,279,600.21
  6. Step 6: Final answer
    x = 1,793,362.97

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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.