Finding the Fourth Proportional to 3,856,874.68, 5,322,530.40 and 2,203,240.84
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Solution
The fourth proportional to 3,856,874.68, 5,322,530.40 and 2,203,240.84 is: 3,040,497.12
Step by Step Solution
- Step 1: Write the proportion equation
3,856,874.68 : 5,322,530.40 = 2,203,240.84 : x - Step 2: Convert to fraction form
3,856,874.68/5,322,530.40 = 2,203,240.84/x - Step 3: Cross multiply
3,856,874.68x = 5,322,530.40 × 2,203,240.84 - Step 4: Simplify right side
3,856,874.68x = 11,726,816,349,421.54 - Step 5: Solve for x
x = 11,726,816,349,421.54/3,856,874.68 - Step 6: Final answer
x = 3,040,497.12
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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.