Finding the Fourth Proportional to 3,236,905.20, 4,860,606.60 and 2,344,609.20
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Solution
The fourth proportional to 3,236,905.20, 4,860,606.60 and 2,344,609.20 is: 3,520,715.70
Step by Step Solution
- Step 1: Write the proportion equation
3,236,905.20 : 4,860,606.60 = 2,344,609.20 : x - Step 2: Convert to fraction form
3,236,905.20/4,860,606.60 = 2,344,609.20/x - Step 3: Cross multiply
3,236,905.20x = 4,860,606.60 × 2,344,609.20 - Step 4: Simplify right side
3,236,905.20x = 11,396,222,951,940.72 - Step 5: Solve for x
x = 11,396,222,951,940.72/3,236,905.20 - Step 6: Final answer
x = 3,520,715.70
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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.