Finding the Fourth Proportional to 2,649,989.10, 3,974,147 and 852,471.84
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Solution
The fourth proportional to 2,649,989.10, 3,974,147 and 852,471.84 is: 1,278,438.62
Step by Step Solution
- Step 1: Write the proportion equation
2,649,989.10 : 3,974,147 = 852,471.84 : x - Step 2: Convert to fraction form
2,649,989.10/3,974,147 = 852,471.84/x - Step 3: Cross multiply
2,649,989.10x = 3,974,147 × 852,471.84 - Step 4: Simplify right side
2,649,989.10x = 3,387,848,405,520.48 - Step 5: Solve for x
x = 3,387,848,405,520.48/2,649,989.10 - Step 6: Final answer
x = 1,278,438.62
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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.