Finding the Fourth Proportional to 3,715,630.38, 5,127,159.96 and 2,083,701.92
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Solution
The fourth proportional to 3,715,630.38, 5,127,159.96 and 2,083,701.92 is: 2,875,278.74
Step by Step Solution
- Step 1: Write the proportion equation
3,715,630.38 : 5,127,159.96 = 2,083,701.92 : x - Step 2: Convert to fraction form
3,715,630.38/5,127,159.96 = 2,083,701.92/x - Step 3: Cross multiply
3,715,630.38x = 5,127,159.96 × 2,083,701.92 - Step 4: Simplify right side
3,715,630.38x = 10,683,473,052,799.12 - Step 5: Solve for x
x = 10,683,473,052,799.12/3,715,630.38 - Step 6: Final answer
x = 2,875,278.74
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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.