Home / 2,811,233.63-4,216,850.39-681,317.78

Finding the Fourth Proportional to 2,811,233.63, 4,216,850.39 and 681,317.78

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Solution

The fourth proportional to 2,811,233.63, 4,216,850.39 and 681,317.78 is: 1,021,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,233.63 : 4,216,850.39 = 681,317.78 : x
  2. Step 2: Convert to fraction form
    2,811,233.63/4,216,850.39 = 681,317.78/x
  3. Step 3: Cross multiply
    2,811,233.63x = 4,216,850.39 × 681,317.78
  4. Step 4: Simplify right side
    2,811,233.63x = 2,873,015,126,925.98
  5. Step 5: Solve for x
    x = 2,873,015,126,925.98/2,811,233.63
  6. Step 6: Final answer
    x = 1,021,976.65

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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.