Home / 2,811,378.85-4,217,054.23-681,463.06

Finding the Fourth Proportional to 2,811,378.85, 4,217,054.23 and 681,463.06

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Solution

The fourth proportional to 2,811,378.85, 4,217,054.23 and 681,463.06 is: 1,022,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,378.85 : 4,217,054.23 = 681,463.06 : x
  2. Step 2: Convert to fraction form
    2,811,378.85/4,217,054.23 = 681,463.06/x
  3. Step 3: Cross multiply
    2,811,378.85x = 4,217,054.23 × 681,463.06
  4. Step 4: Simplify right side
    2,811,378.85x = 2,873,766,679,761.74
  5. Step 5: Solve for x
    x = 2,873,766,679,761.74/2,811,378.85
  6. Step 6: Final answer
    x = 1,022,191.19

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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.