Home / 3,850,679.90-5,313,736.17-2,108,015.20

Finding the Fourth Proportional to 3,850,679.90, 5,313,736.17 and 2,108,015.20

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Solution

The fourth proportional to 3,850,679.90, 5,313,736.17 and 2,108,015.20 is: 2,908,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,679.90 : 5,313,736.17 = 2,108,015.20 : x
  2. Step 2: Convert to fraction form
    3,850,679.90/5,313,736.17 = 2,108,015.20/x
  3. Step 3: Cross multiply
    3,850,679.90x = 5,313,736.17 × 2,108,015.20
  4. Step 4: Simplify right side
    3,850,679.90x = 11,201,436,588,581.10
  5. Step 5: Solve for x
    x = 11,201,436,588,581.10/3,850,679.90
  6. Step 6: Final answer
    x = 2,908,950.34

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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.