Home / 3,889,469.66-5,367,554.13-2,147,135.02

Finding the Fourth Proportional to 3,889,469.66, 5,367,554.13 and 2,147,135.02

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Solution

The fourth proportional to 3,889,469.66, 5,367,554.13 and 2,147,135.02 is: 2,963,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,469.66 : 5,367,554.13 = 2,147,135.02 : x
  2. Step 2: Convert to fraction form
    3,889,469.66/5,367,554.13 = 2,147,135.02/x
  3. Step 3: Cross multiply
    3,889,469.66x = 5,367,554.13 × 2,147,135.02
  4. Step 4: Simplify right side
    3,889,469.66x = 11,524,863,444,268.63
  5. Step 5: Solve for x
    x = 11,524,863,444,268.63/3,889,469.66
  6. Step 6: Final answer
    x = 2,963,093.80

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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.