Finding the Fourth Proportional to 2,162,608.66, 3,243,912.99 and 815,073.73
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Solution
The fourth proportional to 2,162,608.66, 3,243,912.99 and 815,073.73 is: 1,222,610.60
Step by Step Solution
- Step 1: Write the proportion equation
2,162,608.66 : 3,243,912.99 = 815,073.73 : x - Step 2: Convert to fraction form
2,162,608.66/3,243,912.99 = 815,073.73/x - Step 3: Cross multiply
2,162,608.66x = 3,243,912.99 × 815,073.73 - Step 4: Simplify right side
2,162,608.66x = 2,644,028,260,554.75 - Step 5: Solve for x
x = 2,644,028,260,554.75/2,162,608.66 - Step 6: Final answer
x = 1,222,610.60
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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.