Finding the Fourth Proportional to 5,639,737.68, 7,782,630.12 and 3,061,361.88
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Solution
The fourth proportional to 5,639,737.68, 7,782,630.12 and 3,061,361.88 is: 4,224,566.55
Step by Step Solution
- Step 1: Write the proportion equation
5,639,737.68 : 7,782,630.12 = 3,061,361.88 : x - Step 2: Convert to fraction form
5,639,737.68/7,782,630.12 = 3,061,361.88/x - Step 3: Cross multiply
5,639,737.68x = 7,782,630.12 × 3,061,361.88 - Step 4: Simplify right side
5,639,737.68x = 23,825,447,175,507.82 - Step 5: Solve for x
x = 23,825,447,175,507.82/5,639,737.68 - Step 6: Final answer
x = 4,224,566.55
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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.