Finding the Fourth Proportional to 2,608,461.20, 3,912,691.80 and 2,247,654.80
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Solution
The fourth proportional to 2,608,461.20, 3,912,691.80 and 2,247,654.80 is: 3,371,482.20
Step by Step Solution
- Step 1: Write the proportion equation
2,608,461.20 : 3,912,691.80 = 2,247,654.80 : x - Step 2: Convert to fraction form
2,608,461.20/3,912,691.80 = 2,247,654.80/x - Step 3: Cross multiply
2,608,461.20x = 3,912,691.80 × 2,247,654.80 - Step 4: Simplify right side
2,608,461.20x = 8,794,380,505,190.64 - Step 5: Solve for x
x = 8,794,380,505,190.64/2,608,461.20 - Step 6: Final answer
x = 3,371,482.20
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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.