Finding the Fourth Proportional to 5,074,284.89, 6,995,738.99 and 4,031,167.19
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Solution
The fourth proportional to 5,074,284.89, 6,995,738.99 and 4,031,167.19 is: 5,557,629.12
Step by Step Solution
- Step 1: Write the proportion equation
5,074,284.89 : 6,995,738.99 = 4,031,167.19 : x - Step 2: Convert to fraction form
5,074,284.89/6,995,738.99 = 4,031,167.19/x - Step 3: Cross multiply
5,074,284.89x = 6,995,738.99 × 4,031,167.19 - Step 4: Simplify right side
5,074,284.89x = 28,200,993,431,157.21 - Step 5: Solve for x
x = 28,200,993,431,157.21/5,074,284.89 - Step 6: Final answer
x = 5,557,629.12
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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.