Finding the Fourth Proportional to 5,063,849.96, 6,988,159.62 and 2,998,982.97
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Solution
The fourth proportional to 5,063,849.96, 6,988,159.62 and 2,998,982.97 is: 4,138,624.15
Step by Step Solution
- Step 1: Write the proportion equation
5,063,849.96 : 6,988,159.62 = 2,998,982.97 : x - Step 2: Convert to fraction form
5,063,849.96/6,988,159.62 = 2,998,982.97/x - Step 3: Cross multiply
5,063,849.96x = 6,988,159.62 × 2,998,982.97 - Step 4: Simplify right side
5,063,849.96x = 20,957,371,692,021.67 - Step 5: Solve for x
x = 20,957,371,692,021.67/5,063,849.96 - Step 6: Final answer
x = 4,138,624.15
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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.