Finding the Fourth Proportional to 3,081,861.67, 4,253,094.45 and 1,705,182.99
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Solution
The fourth proportional to 3,081,861.67, 4,253,094.45 and 1,705,182.99 is: 2,353,221.87
Step by Step Solution
- Step 1: Write the proportion equation
3,081,861.67 : 4,253,094.45 = 1,705,182.99 : x - Step 2: Convert to fraction form
3,081,861.67/4,253,094.45 = 1,705,182.99/x - Step 3: Cross multiply
3,081,861.67x = 4,253,094.45 × 1,705,182.99 - Step 4: Simplify right side
3,081,861.67x = 7,252,304,281,212.02 - Step 5: Solve for x
x = 7,252,304,281,212.02/3,081,861.67 - Step 6: Final answer
x = 2,353,221.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.