Finding the Fourth Proportional to 6,747,274.70, 10,120,912.41 and 1,954,967.12
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Solution
The fourth proportional to 6,747,274.70, 10,120,912.41 and 1,954,967.12 is: 2,932,450.78
Step by Step Solution
- Step 1: Write the proportion equation
6,747,274.70 : 10,120,912.41 = 1,954,967.12 : x - Step 2: Convert to fraction form
6,747,274.70/10,120,912.41 = 1,954,967.12/x - Step 3: Cross multiply
6,747,274.70x = 10,120,912.41 × 1,954,967.12 - Step 4: Simplify right side
6,747,274.70x = 19,786,050,985,949.96 - Step 5: Solve for x
x = 19,786,050,985,949.96/6,747,274.70 - Step 6: Final answer
x = 2,932,450.78
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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.