Home / 3,828,988.72-5,284,005.32-2,086,658.59

Finding the Fourth Proportional to 3,828,988.72, 5,284,005.32 and 2,086,658.59

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Solution

The fourth proportional to 3,828,988.72, 5,284,005.32 and 2,086,658.59 is: 2,879,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,988.72 : 5,284,005.32 = 2,086,658.59 : x
  2. Step 2: Convert to fraction form
    3,828,988.72/5,284,005.32 = 2,086,658.59/x
  3. Step 3: Cross multiply
    3,828,988.72x = 5,284,005.32 × 2,086,658.59
  4. Step 4: Simplify right side
    3,828,988.72x = 11,025,915,080,150.41
  5. Step 5: Solve for x
    x = 11,025,915,080,150.41/3,828,988.72
  6. Step 6: Final answer
    x = 2,879,589.34

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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.