Finding the Fourth Proportional to 4,161,707.75, 6,198,677.58 and 3,974,981.09
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Solution
The fourth proportional to 4,161,707.75, 6,198,677.58 and 3,974,981.09 is: 5,920,556.56
Step by Step Solution
- Step 1: Write the proportion equation
4,161,707.75 : 6,198,677.58 = 3,974,981.09 : x - Step 2: Convert to fraction form
4,161,707.75/6,198,677.58 = 3,974,981.09/x - Step 3: Cross multiply
4,161,707.75x = 6,198,677.58 × 3,974,981.09 - Step 4: Simplify right side
4,161,707.75x = 24,639,626,147,419.75 - Step 5: Solve for x
x = 24,639,626,147,419.75/4,161,707.75 - Step 6: Final answer
x = 5,920,556.56
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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.