Finding the Fourth Proportional to 5,324,724.35, 7,978,959.11 and 3,161,489.61
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Solution
The fourth proportional to 5,324,724.35, 7,978,959.11 and 3,161,489.61 is: 4,737,408.86
Step by Step Solution
- Step 1: Write the proportion equation
5,324,724.35 : 7,978,959.11 = 3,161,489.61 : x - Step 2: Convert to fraction form
5,324,724.35/7,978,959.11 = 3,161,489.61/x - Step 3: Cross multiply
5,324,724.35x = 7,978,959.11 × 3,161,489.61 - Step 4: Simplify right side
5,324,724.35x = 25,225,396,309,072.40 - Step 5: Solve for x
x = 25,225,396,309,072.40/5,324,724.35 - Step 6: Final answer
x = 4,737,408.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.