Finding the Fourth Proportional to 1,515,793.80, 2,274,006.60 and 505,229.70
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Solution
The fourth proportional to 1,515,793.80, 2,274,006.60 and 505,229.70 is: 757,949.84
Step by Step Solution
- Step 1: Write the proportion equation
1,515,793.80 : 2,274,006.60 = 505,229.70 : x - Step 2: Convert to fraction form
1,515,793.80/2,274,006.60 = 505,229.70/x - Step 3: Cross multiply
1,515,793.80x = 2,274,006.60 × 505,229.70 - Step 4: Simplify right side
1,515,793.80x = 1,148,895,672,316.02 - Step 5: Solve for x
x = 1,148,895,672,316.02/1,515,793.80 - Step 6: Final answer
x = 757,949.84
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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.