Home / 3,889,528.29-5,367,634.83-2,147,193.72

Finding the Fourth Proportional to 3,889,528.29, 5,367,634.83 and 2,147,193.72

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Solution

The fourth proportional to 3,889,528.29, 5,367,634.83 and 2,147,193.72 is: 2,963,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,528.29 : 5,367,634.83 = 2,147,193.72 : x
  2. Step 2: Convert to fraction form
    3,889,528.29/5,367,634.83 = 2,147,193.72/x
  3. Step 3: Cross multiply
    3,889,528.29x = 5,367,634.83 × 2,147,193.72
  4. Step 4: Simplify right side
    3,889,528.29x = 11,525,351,798,229.27
  5. Step 5: Solve for x
    x = 11,525,351,798,229.27/3,889,528.29
  6. Step 6: Final answer
    x = 2,963,174.69

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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.