Finding the Fourth Proportional to 3,761,680.13, 5,192,707.82 and 2,539,641.05
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Solution
The fourth proportional to 3,761,680.13, 5,192,707.82 and 2,539,641.05 is: 3,505,777.59
Step by Step Solution
- Step 1: Write the proportion equation
3,761,680.13 : 5,192,707.82 = 2,539,641.05 : x - Step 2: Convert to fraction form
3,761,680.13/5,192,707.82 = 2,539,641.05/x - Step 3: Cross multiply
3,761,680.13x = 5,192,707.82 × 2,539,641.05 - Step 4: Simplify right side
3,761,680.13x = 13,187,613,901,666.27 - Step 5: Solve for x
x = 13,187,613,901,666.27/3,761,680.13 - Step 6: Final answer
x = 3,505,777.59
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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.