Finding the Fourth Proportional to 1,544,361.12, 2,131,216.92 and 865,302.48
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Solution
The fourth proportional to 1,544,361.12, 2,131,216.92 and 865,302.48 is: 1,194,116.62
Step by Step Solution
- Step 1: Write the proportion equation
1,544,361.12 : 2,131,216.92 = 865,302.48 : x - Step 2: Convert to fraction form
1,544,361.12/2,131,216.92 = 865,302.48/x - Step 3: Cross multiply
1,544,361.12x = 2,131,216.92 × 865,302.48 - Step 4: Simplify right side
1,544,361.12x = 1,844,147,286,293.96 - Step 5: Solve for x
x = 1,844,147,286,293.96/1,544,361.12 - Step 6: Final answer
x = 1,194,116.62
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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.