Home / 5,421,086.46-8,131,585.86-1,377,585.90

Finding the Fourth Proportional to 5,421,086.46, 8,131,585.86 and 1,377,585.90

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Solution

The fourth proportional to 5,421,086.46, 8,131,585.86 and 1,377,585.90 is: 2,066,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,086.46 : 8,131,585.86 = 1,377,585.90 : x
  2. Step 2: Convert to fraction form
    5,421,086.46/8,131,585.86 = 1,377,585.90/x
  3. Step 3: Cross multiply
    5,421,086.46x = 8,131,585.86 × 1,377,585.90
  4. Step 4: Simplify right side
    5,421,086.46x = 11,201,958,025,375.37
  5. Step 5: Solve for x
    x = 11,201,958,025,375.37/5,421,086.46
  6. Step 6: Final answer
    x = 2,066,367.71

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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.