Home / 2,138,414.07-3,207,619.89-1,996,696.47

Finding the Fourth Proportional to 2,138,414.07, 3,207,619.89 and 1,996,696.47

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Solution

The fourth proportional to 2,138,414.07, 3,207,619.89 and 1,996,696.47 is: 2,995,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,414.07 : 3,207,619.89 = 1,996,696.47 : x
  2. Step 2: Convert to fraction form
    2,138,414.07/3,207,619.89 = 1,996,696.47/x
  3. Step 3: Cross multiply
    2,138,414.07x = 3,207,619.89 × 1,996,696.47
  4. Step 4: Simplify right side
    2,138,414.07x = 6,404,643,311,464.79
  5. Step 5: Solve for x
    x = 6,404,643,311,464.79/2,138,414.07
  6. Step 6: Final answer
    x = 2,995,043.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.