Home / 3,680,959.55-5,078,409.12-2,131,375.28

Finding the Fourth Proportional to 3,680,959.55, 5,078,409.12 and 2,131,375.28

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Solution

The fourth proportional to 3,680,959.55, 5,078,409.12 and 2,131,375.28 is: 2,940,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,959.55 : 5,078,409.12 = 2,131,375.28 : x
  2. Step 2: Convert to fraction form
    3,680,959.55/5,078,409.12 = 2,131,375.28/x
  3. Step 3: Cross multiply
    3,680,959.55x = 5,078,409.12 × 2,131,375.28
  4. Step 4: Simplify right side
    3,680,959.55x = 10,823,995,634,702.51
  5. Step 5: Solve for x
    x = 10,823,995,634,702.51/3,680,959.55
  6. Step 6: Final answer
    x = 2,940,536.43

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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.