Home / 5,286,531.96-7,921,723.32-3,932,145

Finding the Fourth Proportional to 5,286,531.96, 7,921,723.32 and 3,932,145

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Solution

The fourth proportional to 5,286,531.96, 7,921,723.32 and 3,932,145 is: 5,892,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,531.96 : 7,921,723.32 = 3,932,145 : x
  2. Step 2: Convert to fraction form
    5,286,531.96/7,921,723.32 = 3,932,145/x
  3. Step 3: Cross multiply
    5,286,531.96x = 7,921,723.32 × 3,932,145
  4. Step 4: Simplify right side
    5,286,531.96x = 31,149,364,744,121.40
  5. Step 5: Solve for x
    x = 31,149,364,744,121.40/5,286,531.96
  6. Step 6: Final answer
    x = 5,892,211.56

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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.