Home / 2,214,786.40-3,322,006.80-866,687.20

Finding the Fourth Proportional to 2,214,786.40, 3,322,006.80 and 866,687.20

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Solution

The fourth proportional to 2,214,786.40, 3,322,006.80 and 866,687.20 is: 1,299,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,786.40 : 3,322,006.80 = 866,687.20 : x
  2. Step 2: Convert to fraction form
    2,214,786.40/3,322,006.80 = 866,687.20/x
  3. Step 3: Cross multiply
    2,214,786.40x = 3,322,006.80 × 866,687.20
  4. Step 4: Simplify right side
    2,214,786.40x = 2,879,140,771,872.96
  5. Step 5: Solve for x
    x = 2,879,140,771,872.96/2,214,786.40
  6. Step 6: Final answer
    x = 1,299,963.18

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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.