Finding the Fourth Proportional to 3,057,342.26, 4,219,185.97 and 1,680,743.99
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Solution
The fourth proportional to 3,057,342.26, 4,219,185.97 and 1,680,743.99 is: 2,319,456.20
Step by Step Solution
- Step 1: Write the proportion equation
3,057,342.26 : 4,219,185.97 = 1,680,743.99 : x - Step 2: Convert to fraction form
3,057,342.26/4,219,185.97 = 1,680,743.99/x - Step 3: Cross multiply
3,057,342.26x = 4,219,185.97 × 1,680,743.99 - Step 4: Simplify right side
3,057,342.26x = 7,091,371,468,115.93 - Step 5: Solve for x
x = 7,091,371,468,115.93/3,057,342.26 - Step 6: Final answer
x = 2,319,456.20
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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.