Finding the Fourth Proportional to 2,188,163.92, 3,283,711.62 and 768,224.20
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Solution
The fourth proportional to 2,188,163.92, 3,283,711.62 and 768,224.20 is: 1,152,850.89
Step by Step Solution
- Step 1: Write the proportion equation
2,188,163.92 : 3,283,711.62 = 768,224.20 : x - Step 2: Convert to fraction form
2,188,163.92/3,283,711.62 = 768,224.20/x - Step 3: Cross multiply
2,188,163.92x = 3,283,711.62 × 768,224.20 - Step 4: Simplify right side
2,188,163.92x = 2,522,626,732,305.20 - Step 5: Solve for x
x = 2,522,626,732,305.20/2,188,163.92 - Step 6: Final answer
x = 1,152,850.89
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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.