Home / 2,266,223.80-3,399,489.30-770,428.60

Finding the Fourth Proportional to 2,266,223.80, 3,399,489.30 and 770,428.60

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Solution

The fourth proportional to 2,266,223.80, 3,399,489.30 and 770,428.60 is: 1,155,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,223.80 : 3,399,489.30 = 770,428.60 : x
  2. Step 2: Convert to fraction form
    2,266,223.80/3,399,489.30 = 770,428.60/x
  3. Step 3: Cross multiply
    2,266,223.80x = 3,399,489.30 × 770,428.60
  4. Step 4: Simplify right side
    2,266,223.80x = 2,619,063,782,113.98
  5. Step 5: Solve for x
    x = 2,619,063,782,113.98/2,266,223.80
  6. Step 6: Final answer
    x = 1,155,695.12

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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.