Finding the Fourth Proportional to 3,605,361.97, 4,978,772.04 and 2,318,438.29
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Solution
The fourth proportional to 3,605,361.97, 4,978,772.04 and 2,318,438.29 is: 3,201,613.55
Step by Step Solution
- Step 1: Write the proportion equation
3,605,361.97 : 4,978,772.04 = 2,318,438.29 : x - Step 2: Convert to fraction form
3,605,361.97/4,978,772.04 = 2,318,438.29/x - Step 3: Cross multiply
3,605,361.97x = 4,978,772.04 × 2,318,438.29 - Step 4: Simplify right side
3,605,361.97x = 11,542,975,734,717.41 - Step 5: Solve for x
x = 11,542,975,734,717.41/3,605,361.97 - Step 6: Final answer
x = 3,201,613.55
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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.