Home / 3,629,977-5,009,279.97-1,998,371.32

Finding the Fourth Proportional to 3,629,977, 5,009,279.97 and 1,998,371.32

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Solution

The fourth proportional to 3,629,977, 5,009,279.97 and 1,998,371.32 is: 2,757,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,977 : 5,009,279.97 = 1,998,371.32 : x
  2. Step 2: Convert to fraction form
    3,629,977/5,009,279.97 = 1,998,371.32/x
  3. Step 3: Cross multiply
    3,629,977x = 5,009,279.97 × 1,998,371.32
  4. Step 4: Simplify right side
    3,629,977x = 10,010,401,425,898.46
  5. Step 5: Solve for x
    x = 10,010,401,425,898.46/3,629,977
  6. Step 6: Final answer
    x = 2,757,703.82

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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.