Home / 2,811,260.82-4,216,891.26-681,344.94

Finding the Fourth Proportional to 2,811,260.82, 4,216,891.26 and 681,344.94

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Solution

The fourth proportional to 2,811,260.82, 4,216,891.26 and 681,344.94 is: 1,022,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,260.82 : 4,216,891.26 = 681,344.94 : x
  2. Step 2: Convert to fraction form
    2,811,260.82/4,216,891.26 = 681,344.94/x
  3. Step 3: Cross multiply
    2,811,260.82x = 4,216,891.26 × 681,344.94
  4. Step 4: Simplify right side
    2,811,260.82x = 2,873,157,501,446.77
  5. Step 5: Solve for x
    x = 2,873,157,501,446.77/2,811,260.82
  6. Step 6: Final answer
    x = 1,022,017.41

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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.