Finding the Fourth Proportional to 3,192,102.80, 4,788,956.20 and 917,631.34
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Solution
The fourth proportional to 3,192,102.80, 4,788,956.20 and 917,631.34 is: 1,376,677.56
Step by Step Solution
- Step 1: Write the proportion equation
3,192,102.80 : 4,788,956.20 = 917,631.34 : x - Step 2: Convert to fraction form
3,192,102.80/4,788,956.20 = 917,631.34/x - Step 3: Cross multiply
3,192,102.80x = 4,788,956.20 × 917,631.34 - Step 4: Simplify right side
3,192,102.80x = 4,394,496,295,007.31 - Step 5: Solve for x
x = 4,394,496,295,007.31/3,192,102.80 - Step 6: Final answer
x = 1,376,677.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.