Home / 3,828,987.09-5,284,003.07-2,086,656.96

Finding the Fourth Proportional to 3,828,987.09, 5,284,003.07 and 2,086,656.96

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Solution

The fourth proportional to 3,828,987.09, 5,284,003.07 and 2,086,656.96 is: 2,879,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,987.09 : 5,284,003.07 = 2,086,656.96 : x
  2. Step 2: Convert to fraction form
    3,828,987.09/5,284,003.07 = 2,086,656.96/x
  3. Step 3: Cross multiply
    3,828,987.09x = 5,284,003.07 × 2,086,656.96
  4. Step 4: Simplify right side
    3,828,987.09x = 11,025,901,807,708.52
  5. Step 5: Solve for x
    x = 11,025,901,807,708.52/3,828,987.09
  6. Step 6: Final answer
    x = 2,879,587.10

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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.