Finding the Fourth Proportional to 6,328,979.82, 8,733,473.10 and 3,575,905.92
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Solution
The fourth proportional to 6,328,979.82, 8,733,473.10 and 3,575,905.92 is: 4,934,456.90
Step by Step Solution
- Step 1: Write the proportion equation
6,328,979.82 : 8,733,473.10 = 3,575,905.92 : x - Step 2: Convert to fraction form
6,328,979.82/8,733,473.10 = 3,575,905.92/x - Step 3: Cross multiply
6,328,979.82x = 8,733,473.10 × 3,575,905.92 - Step 4: Simplify right side
6,328,979.82x = 31,230,078,160,450.75 - Step 5: Solve for x
x = 31,230,078,160,450.75/6,328,979.82 - Step 6: Final answer
x = 4,934,456.90
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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.