Home / 2,131,901.26-2,942,062.23-1,165,072.30

Finding the Fourth Proportional to 2,131,901.26, 2,942,062.23 and 1,165,072.30

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Solution

The fourth proportional to 2,131,901.26, 2,942,062.23 and 1,165,072.30 is: 1,607,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,901.26 : 2,942,062.23 = 1,165,072.30 : x
  2. Step 2: Convert to fraction form
    2,131,901.26/2,942,062.23 = 1,165,072.30/x
  3. Step 3: Cross multiply
    2,131,901.26x = 2,942,062.23 × 1,165,072.30
  4. Step 4: Simplify right side
    2,131,901.26x = 3,427,715,209,049.23
  5. Step 5: Solve for x
    x = 3,427,715,209,049.23/2,131,901.26
  6. Step 6: Final answer
    x = 1,607,820.81

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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.