Home / 2,101,878.84-3,153,261.06-681,824.04

Finding the Fourth Proportional to 2,101,878.84, 3,153,261.06 and 681,824.04

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Solution

The fourth proportional to 2,101,878.84, 3,153,261.06 and 681,824.04 is: 1,022,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,878.84 : 3,153,261.06 = 681,824.04 : x
  2. Step 2: Convert to fraction form
    2,101,878.84/3,153,261.06 = 681,824.04/x
  3. Step 3: Cross multiply
    2,101,878.84x = 3,153,261.06 × 681,824.04
  4. Step 4: Simplify right side
    2,101,878.84x = 2,149,969,195,103.88
  5. Step 5: Solve for x
    x = 2,149,969,195,103.88/2,101,878.84
  6. Step 6: Final answer
    x = 1,022,879.70

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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.