Finding the Fourth Proportional to 3,762,841.16, 5,192,633.66 and 2,192,872.91
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Solution
The fourth proportional to 3,762,841.16, 5,192,633.66 and 2,192,872.91 is: 3,026,113.82
Step by Step Solution
- Step 1: Write the proportion equation
3,762,841.16 : 5,192,633.66 = 2,192,872.91 : x - Step 2: Convert to fraction form
3,762,841.16/5,192,633.66 = 2,192,872.91/x - Step 3: Cross multiply
3,762,841.16x = 5,192,633.66 × 2,192,872.91 - Step 4: Simplify right side
3,762,841.16x = 11,386,785,647,640.62 - Step 5: Solve for x
x = 11,386,785,647,640.62/3,762,841.16 - Step 6: Final answer
x = 3,026,113.82
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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.