Home / 3,620,796.88-4,996,787.74-1,989,309.92

Finding the Fourth Proportional to 3,620,796.88, 4,996,787.74 and 1,989,309.92

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Solution

The fourth proportional to 3,620,796.88, 4,996,787.74 and 1,989,309.92 is: 2,745,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,796.88 : 4,996,787.74 = 1,989,309.92 : x
  2. Step 2: Convert to fraction form
    3,620,796.88/4,996,787.74 = 1,989,309.92/x
  3. Step 3: Cross multiply
    3,620,796.88x = 4,996,787.74 × 1,989,309.92
  4. Step 4: Simplify right side
    3,620,796.88x = 9,940,159,419,316.38
  5. Step 5: Solve for x
    x = 9,940,159,419,316.38/3,620,796.88
  6. Step 6: Final answer
    x = 2,745,296.06

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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.