Finding the Fourth Proportional to 3,279,654.65, 4,526,126.15 and 1,809,555.98
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Solution
The fourth proportional to 3,279,654.65, 4,526,126.15 and 1,809,555.98 is: 2,497,299.12
Step by Step Solution
- Step 1: Write the proportion equation
3,279,654.65 : 4,526,126.15 = 1,809,555.98 : x - Step 2: Convert to fraction form
3,279,654.65/4,526,126.15 = 1,809,555.98/x - Step 3: Cross multiply
3,279,654.65x = 4,526,126.15 × 1,809,555.98 - Step 4: Simplify right side
3,279,654.65x = 8,190,278,643,234.41 - Step 5: Solve for x
x = 8,190,278,643,234.41/3,279,654.65 - Step 6: Final answer
x = 2,497,299.12
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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.