Home / 2,101,879.84-3,153,262.56-681,825.04

Finding the Fourth Proportional to 2,101,879.84, 3,153,262.56 and 681,825.04

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Solution

The fourth proportional to 2,101,879.84, 3,153,262.56 and 681,825.04 is: 1,022,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,879.84 : 3,153,262.56 = 681,825.04 : x
  2. Step 2: Convert to fraction form
    2,101,879.84/3,153,262.56 = 681,825.04/x
  3. Step 3: Cross multiply
    2,101,879.84x = 3,153,262.56 × 681,825.04
  4. Step 4: Simplify right side
    2,101,879.84x = 2,149,973,371,102.50
  5. Step 5: Solve for x
    x = 2,149,973,371,102.50/2,101,879.84
  6. Step 6: Final answer
    x = 1,022,881.20

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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.