Home / 2,681,076.80-4,021,579.80-659,338.16

Finding the Fourth Proportional to 2,681,076.80, 4,021,579.80 and 659,338.16

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Solution

The fourth proportional to 2,681,076.80, 4,021,579.80 and 659,338.16 is: 988,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,076.80 : 4,021,579.80 = 659,338.16 : x
  2. Step 2: Convert to fraction form
    2,681,076.80/4,021,579.80 = 659,338.16/x
  3. Step 3: Cross multiply
    2,681,076.80x = 4,021,579.80 × 659,338.16
  4. Step 4: Simplify right side
    2,681,076.80x = 2,651,581,025,625.17
  5. Step 5: Solve for x
    x = 2,651,581,025,625.17/2,681,076.80
  6. Step 6: Final answer
    x = 988,998.53

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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.