Finding the Fourth Proportional to 4,161,715.44, 6,198,689.03 and 3,974,988.78
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Solution
The fourth proportional to 4,161,715.44, 6,198,689.03 and 3,974,988.78 is: 5,920,568.02
Step by Step Solution
- Step 1: Write the proportion equation
4,161,715.44 : 6,198,689.03 = 3,974,988.78 : x - Step 2: Convert to fraction form
4,161,715.44/6,198,689.03 = 3,974,988.78/x - Step 3: Cross multiply
4,161,715.44x = 6,198,689.03 × 3,974,988.78 - Step 4: Simplify right side
4,161,715.44x = 24,639,719,325,084.14 - Step 5: Solve for x
x = 24,639,719,325,084.14/4,161,715.44 - Step 6: Final answer
x = 5,920,568.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.