Finding the Fourth Proportional to 3,876,662.26, 5,349,794.16 and 2,157,745.87
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Solution
The fourth proportional to 3,876,662.26, 5,349,794.16 and 2,157,745.87 is: 2,977,689.43
Step by Step Solution
- Step 1: Write the proportion equation
3,876,662.26 : 5,349,794.16 = 2,157,745.87 : x - Step 2: Convert to fraction form
3,876,662.26/5,349,794.16 = 2,157,745.87/x - Step 3: Cross multiply
3,876,662.26x = 5,349,794.16 × 2,157,745.87 - Step 4: Simplify right side
3,876,662.26x = 11,543,496,254,090.12 - Step 5: Solve for x
x = 11,543,496,254,090.12/3,876,662.26 - Step 6: Final answer
x = 2,977,689.43
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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.