Finding the Fourth Proportional to 2,609,551.62, 3,914,438.14 and 812,469.12
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Solution
The fourth proportional to 2,609,551.62, 3,914,438.14 and 812,469.12 is: 1,218,738.15
Step by Step Solution
- Step 1: Write the proportion equation
2,609,551.62 : 3,914,438.14 = 812,469.12 : x - Step 2: Convert to fraction form
2,609,551.62/3,914,438.14 = 812,469.12/x - Step 3: Cross multiply
2,609,551.62x = 3,914,438.14 × 812,469.12 - Step 4: Simplify right side
2,609,551.62x = 3,180,360,110,900.24 - Step 5: Solve for x
x = 3,180,360,110,900.24/2,609,551.62 - Step 6: Final answer
x = 1,218,738.15
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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.