Home / 2,215,633.19-3,322,118.57-866,188.55

Finding the Fourth Proportional to 2,215,633.19, 3,322,118.57 and 866,188.55

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Solution

The fourth proportional to 2,215,633.19, 3,322,118.57 and 866,188.55 is: 1,298,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,633.19 : 3,322,118.57 = 866,188.55 : x
  2. Step 2: Convert to fraction form
    2,215,633.19/3,322,118.57 = 866,188.55/x
  3. Step 3: Cross multiply
    2,215,633.19x = 3,322,118.57 × 866,188.55
  4. Step 4: Simplify right side
    2,215,633.19x = 2,877,581,062,745.43
  5. Step 5: Solve for x
    x = 2,877,581,062,745.43/2,215,633.19
  6. Step 6: Final answer
    x = 1,298,762.39

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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.