Finding the Fourth Proportional to 4,207,717.80, 5,806,636.74 and 2,397,188.52
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Solution
The fourth proportional to 4,207,717.80, 5,806,636.74 and 2,397,188.52 is: 3,308,112.28
Step by Step Solution
- Step 1: Write the proportion equation
4,207,717.80 : 5,806,636.74 = 2,397,188.52 : x - Step 2: Convert to fraction form
4,207,717.80/5,806,636.74 = 2,397,188.52/x - Step 3: Cross multiply
4,207,717.80x = 5,806,636.74 × 2,397,188.52 - Step 4: Simplify right side
4,207,717.80x = 13,919,602,932,938.22 - Step 5: Solve for x
x = 13,919,602,932,938.22/4,207,717.80 - Step 6: Final answer
x = 3,308,112.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.