Home / 3,879,133.56-5,351,756.86-3,873,152.52

Finding the Fourth Proportional to 3,879,133.56, 5,351,756.86 and 3,873,152.52

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Solution

The fourth proportional to 3,879,133.56, 5,351,756.86 and 3,873,152.52 is: 5,343,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,133.56 : 5,351,756.86 = 3,873,152.52 : x
  2. Step 2: Convert to fraction form
    3,879,133.56/5,351,756.86 = 3,873,152.52/x
  3. Step 3: Cross multiply
    3,879,133.56x = 5,351,756.86 × 3,873,152.52
  4. Step 4: Simplify right side
    3,879,133.56x = 20,728,170,568,736.29
  5. Step 5: Solve for x
    x = 20,728,170,568,736.29/3,879,133.56
  6. Step 6: Final answer
    x = 5,343,505.26

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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.