Finding the Fourth Proportional to 3,877,505.47, 5,350,957.55 and 2,135,170.71
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Solution
The fourth proportional to 3,877,505.47, 5,350,957.55 and 2,135,170.71 is: 2,946,535.58
Step by Step Solution
- Step 1: Write the proportion equation
3,877,505.47 : 5,350,957.55 = 2,135,170.71 : x - Step 2: Convert to fraction form
3,877,505.47/5,350,957.55 = 2,135,170.71/x - Step 3: Cross multiply
3,877,505.47x = 5,350,957.55 × 2,135,170.71 - Step 4: Simplify right side
3,877,505.47x = 11,425,207,831,213.36 - Step 5: Solve for x
x = 11,425,207,831,213.36/3,877,505.47 - Step 6: Final answer
x = 2,946,535.58
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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.