Home / 2,180,361.66-3,008,998.20-1,213,553.88

Finding the Fourth Proportional to 2,180,361.66, 3,008,998.20 and 1,213,553.88

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Solution

The fourth proportional to 2,180,361.66, 3,008,998.20 and 1,213,553.88 is: 1,674,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,361.66 : 3,008,998.20 = 1,213,553.88 : x
  2. Step 2: Convert to fraction form
    2,180,361.66/3,008,998.20 = 1,213,553.88/x
  3. Step 3: Cross multiply
    2,180,361.66x = 3,008,998.20 × 1,213,553.88
  4. Step 4: Simplify right side
    2,180,361.66x = 3,651,581,440,523.02
  5. Step 5: Solve for x
    x = 3,651,581,440,523.02/2,180,361.66
  6. Step 6: Final answer
    x = 1,674,759.52

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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.