Finding the Fourth Proportional to 3,157,997.63, 4,737,785.58 and 914,135.63
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Solution
The fourth proportional to 3,157,997.63, 4,737,785.58 and 914,135.63 is: 1,371,431.87
Step by Step Solution
- Step 1: Write the proportion equation
3,157,997.63 : 4,737,785.58 = 914,135.63 : x - Step 2: Convert to fraction form
3,157,997.63/4,737,785.58 = 914,135.63/x - Step 3: Cross multiply
3,157,997.63x = 4,737,785.58 × 914,135.63 - Step 4: Simplify right side
3,157,997.63x = 4,330,978,582,289.29 - Step 5: Solve for x
x = 4,330,978,582,289.29/3,157,997.63 - Step 6: Final answer
x = 1,371,431.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.