Finding the Fourth Proportional to 6,985,450.62, 10,478,176.41 and 1,936,761.26
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Solution
The fourth proportional to 6,985,450.62, 10,478,176.41 and 1,936,761.26 is: 2,905,142.02
Step by Step Solution
- Step 1: Write the proportion equation
6,985,450.62 : 10,478,176.41 = 1,936,761.26 : x - Step 2: Convert to fraction form
6,985,450.62/10,478,176.41 = 1,936,761.26/x - Step 3: Cross multiply
6,985,450.62x = 10,478,176.41 × 1,936,761.26 - Step 4: Simplify right side
6,985,450.62x = 20,293,726,146,333.88 - Step 5: Solve for x
x = 20,293,726,146,333.88/6,985,450.62 - Step 6: Final answer
x = 2,905,142.02
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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.