Home / 3,936,799.44-5,397,351.35-3,865,054.86

Finding the Fourth Proportional to 3,936,799.44, 5,397,351.35 and 3,865,054.86

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Solution

The fourth proportional to 3,936,799.44, 5,397,351.35 and 3,865,054.86 is: 5,298,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,799.44 : 5,397,351.35 = 3,865,054.86 : x
  2. Step 2: Convert to fraction form
    3,936,799.44/5,397,351.35 = 3,865,054.86/x
  3. Step 3: Cross multiply
    3,936,799.44x = 5,397,351.35 × 3,865,054.86
  4. Step 4: Simplify right side
    3,936,799.44x = 20,861,059,047,119.79
  5. Step 5: Solve for x
    x = 20,861,059,047,119.79/3,936,799.44
  6. Step 6: Final answer
    x = 5,298,989.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.