Finding the Fourth Proportional to 2,846,330.45, 4,247,139.80 and 2,672,608.68
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Solution
The fourth proportional to 2,846,330.45, 4,247,139.80 and 2,672,608.68 is: 3,987,921.60
Step by Step Solution
- Step 1: Write the proportion equation
2,846,330.45 : 4,247,139.80 = 2,672,608.68 : x - Step 2: Convert to fraction form
2,846,330.45/4,247,139.80 = 2,672,608.68/x - Step 3: Cross multiply
2,846,330.45x = 4,247,139.80 × 2,672,608.68 - Step 4: Simplify right side
2,846,330.45x = 11,350,942,694,653.46 - Step 5: Solve for x
x = 11,350,942,694,653.46/2,846,330.45 - Step 6: Final answer
x = 3,987,921.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.