Home / 3,769,892.57-5,202,231.77-2,115,886.01

Finding the Fourth Proportional to 3,769,892.57, 5,202,231.77 and 2,115,886.01

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Solution

The fourth proportional to 3,769,892.57, 5,202,231.77 and 2,115,886.01 is: 2,919,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,892.57 : 5,202,231.77 = 2,115,886.01 : x
  2. Step 2: Convert to fraction form
    3,769,892.57/5,202,231.77 = 2,115,886.01/x
  3. Step 3: Cross multiply
    3,769,892.57x = 5,202,231.77 × 2,115,886.01
  4. Step 4: Simplify right side
    3,769,892.57x = 11,007,329,386,329.95
  5. Step 5: Solve for x
    x = 11,007,329,386,329.95/3,769,892.57
  6. Step 6: Final answer
    x = 2,919,799.22

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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.