Finding the Fourth Proportional to 7,659,872.40, 11,492,433.28 and 2,614,725.84
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Solution
The fourth proportional to 7,659,872.40, 11,492,433.28 and 2,614,725.84 is: 3,922,984.70
Step by Step Solution
- Step 1: Write the proportion equation
7,659,872.40 : 11,492,433.28 = 2,614,725.84 : x - Step 2: Convert to fraction form
7,659,872.40/11,492,433.28 = 2,614,725.84/x - Step 3: Cross multiply
7,659,872.40x = 11,492,433.28 × 2,614,725.84 - Step 4: Simplify right side
7,659,872.40x = 30,049,562,261,691.95 - Step 5: Solve for x
x = 30,049,562,261,691.95/7,659,872.40 - Step 6: Final answer
x = 3,922,984.70
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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.