Finding the Fourth Proportional to 2,221,236.18, 3,327,414.66 and 1,021,514.40
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Solution
The fourth proportional to 2,221,236.18, 3,327,414.66 and 1,021,514.40 is: 1,530,229.89
Step by Step Solution
- Step 1: Write the proportion equation
2,221,236.18 : 3,327,414.66 = 1,021,514.40 : x - Step 2: Convert to fraction form
2,221,236.18/3,327,414.66 = 1,021,514.40/x - Step 3: Cross multiply
2,221,236.18x = 3,327,414.66 × 1,021,514.40 - Step 4: Simplify right side
2,221,236.18x = 3,399,001,989,961.10 - Step 5: Solve for x
x = 3,399,001,989,961.10/2,221,236.18 - Step 6: Final answer
x = 1,530,229.89
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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.