Finding the Fourth Proportional to 3,830,042.88, 5,745,751.68 and 1,586,353.92
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Solution
The fourth proportional to 3,830,042.88, 5,745,751.68 and 1,586,353.92 is: 2,379,815.58
Step by Step Solution
- Step 1: Write the proportion equation
3,830,042.88 : 5,745,751.68 = 1,586,353.92 : x - Step 2: Convert to fraction form
3,830,042.88/5,745,751.68 = 1,586,353.92/x - Step 3: Cross multiply
3,830,042.88x = 5,745,751.68 × 1,586,353.92 - Step 4: Simplify right side
3,830,042.88x = 9,114,795,700,914.58 - Step 5: Solve for x
x = 9,114,795,700,914.58/3,830,042.88 - Step 6: Final answer
x = 2,379,815.58
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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.