Home / 2,811,260.57-4,216,890.89-681,344.69

Finding the Fourth Proportional to 2,811,260.57, 4,216,890.89 and 681,344.69

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Solution

The fourth proportional to 2,811,260.57, 4,216,890.89 and 681,344.69 is: 1,022,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,260.57 : 4,216,890.89 = 681,344.69 : x
  2. Step 2: Convert to fraction form
    2,811,260.57/4,216,890.89 = 681,344.69/x
  3. Step 3: Cross multiply
    2,811,260.57x = 4,216,890.89 × 681,344.69
  4. Step 4: Simplify right side
    2,811,260.57x = 2,873,156,191,719.70
  5. Step 5: Solve for x
    x = 2,873,156,191,719.70/2,811,260.57
  6. Step 6: Final answer
    x = 1,022,017.03

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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.