Finding the Fourth Proportional to 2,693,428.68, 4,040,147.61 and 2,157,096.09
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Solution
The fourth proportional to 2,693,428.68, 4,040,147.61 and 2,157,096.09 is: 3,235,647.81
Step by Step Solution
- Step 1: Write the proportion equation
2,693,428.68 : 4,040,147.61 = 2,157,096.09 : x - Step 2: Convert to fraction form
2,693,428.68/4,040,147.61 = 2,157,096.09/x - Step 3: Cross multiply
2,693,428.68x = 4,040,147.61 × 2,157,096.09 - Step 4: Simplify right side
2,693,428.68x = 8,714,986,612,553.84 - Step 5: Solve for x
x = 8,714,986,612,553.84/2,693,428.68 - Step 6: Final answer
x = 3,235,647.81
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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.