Finding the Fourth Proportional to 5,550,129.91, 7,658,755.77 and 3,374,371.09
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Solution
The fourth proportional to 5,550,129.91, 7,658,755.77 and 3,374,371.09 is: 4,656,374.62
Step by Step Solution
- Step 1: Write the proportion equation
5,550,129.91 : 7,658,755.77 = 3,374,371.09 : x - Step 2: Convert to fraction form
5,550,129.91/7,658,755.77 = 3,374,371.09/x - Step 3: Cross multiply
5,550,129.91x = 7,658,755.77 × 3,374,371.09 - Step 4: Simplify right side
5,550,129.91x = 25,843,484,055,658.69 - Step 5: Solve for x
x = 25,843,484,055,658.69/5,550,129.91 - Step 6: Final answer
x = 4,656,374.62
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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.