Finding the Fourth Proportional to 3,198,615.62, 4,414,083.17 and 1,821,958.81
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Solution
The fourth proportional to 3,198,615.62, 4,414,083.17 and 1,821,958.81 is: 2,514,299.52
Step by Step Solution
- Step 1: Write the proportion equation
3,198,615.62 : 4,414,083.17 = 1,821,958.81 : x - Step 2: Convert to fraction form
3,198,615.62/4,414,083.17 = 1,821,958.81/x - Step 3: Cross multiply
3,198,615.62x = 4,414,083.17 × 1,821,958.81 - Step 4: Simplify right side
3,198,615.62x = 8,042,277,719,654.23 - Step 5: Solve for x
x = 8,042,277,719,654.23/3,198,615.62 - Step 6: Final answer
x = 2,514,299.52
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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.