Finding the Fourth Proportional to 5,705,091.36, 7,873,087.68 and 3,126,716.64
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Solution
The fourth proportional to 5,705,091.36, 7,873,087.68 and 3,126,716.64 is: 4,314,902.73
Step by Step Solution
- Step 1: Write the proportion equation
5,705,091.36 : 7,873,087.68 = 3,126,716.64 : x - Step 2: Convert to fraction form
5,705,091.36/7,873,087.68 = 3,126,716.64/x - Step 3: Cross multiply
5,705,091.36x = 7,873,087.68 × 3,126,716.64 - Step 4: Simplify right side
5,705,091.36x = 24,616,914,257,235.00 - Step 5: Solve for x
x = 24,616,914,257,235.00/5,705,091.36 - Step 6: Final answer
x = 4,314,902.73
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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.