Finding the Fourth Proportional to 4,114,777.92, 5,678,268.48 and 2,279,163.84
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Solution
The fourth proportional to 4,114,777.92, 5,678,268.48 and 2,279,163.84 is: 3,145,176.83
Step by Step Solution
- Step 1: Write the proportion equation
4,114,777.92 : 5,678,268.48 = 2,279,163.84 : x - Step 2: Convert to fraction form
4,114,777.92/5,678,268.48 = 2,279,163.84/x - Step 3: Cross multiply
4,114,777.92x = 5,678,268.48 × 2,279,163.84 - Step 4: Simplify right side
4,114,777.92x = 12,941,704,193,427.76 - Step 5: Solve for x
x = 12,941,704,193,427.76/4,114,777.92 - Step 6: Final answer
x = 3,145,176.83
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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.