Finding the Fourth Proportional to 3,286,014.36, 4,557,899.22 and 3,198,621.84
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Solution
The fourth proportional to 3,286,014.36, 4,557,899.22 and 3,198,621.84 is: 4,436,680.55
Step by Step Solution
- Step 1: Write the proportion equation
3,286,014.36 : 4,557,899.22 = 3,198,621.84 : x - Step 2: Convert to fraction form
3,286,014.36/4,557,899.22 = 3,198,621.84/x - Step 3: Cross multiply
3,286,014.36x = 4,557,899.22 × 3,198,621.84 - Step 4: Simplify right side
3,286,014.36x = 14,578,995,989,610.96 - Step 5: Solve for x
x = 14,578,995,989,610.96/3,286,014.36 - Step 6: Final answer
x = 4,436,680.55
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.