Finding the Fourth Proportional to 5,728,691.75, 7,903,357.13 and 3,279,994.12
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Solution
The fourth proportional to 5,728,691.75, 7,903,357.13 and 3,279,994.12 is: 4,525,110.80
Step by Step Solution
- Step 1: Write the proportion equation
5,728,691.75 : 7,903,357.13 = 3,279,994.12 : x - Step 2: Convert to fraction form
5,728,691.75/7,903,357.13 = 3,279,994.12/x - Step 3: Cross multiply
5,728,691.75x = 7,903,357.13 × 3,279,994.12 - Step 4: Simplify right side
5,728,691.75x = 25,922,964,914,660.07 - Step 5: Solve for x
x = 25,922,964,914,660.07/5,728,691.75 - Step 6: Final answer
x = 4,525,110.80
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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.