Finding the Fourth Proportional to 2,136,439.53, 3,200,366.70 and 997,630.97
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Solution
The fourth proportional to 2,136,439.53, 3,200,366.70 and 997,630.97 is: 1,494,441.98
Step by Step Solution
- Step 1: Write the proportion equation
2,136,439.53 : 3,200,366.70 = 997,630.97 : x - Step 2: Convert to fraction form
2,136,439.53/3,200,366.70 = 997,630.97/x - Step 3: Cross multiply
2,136,439.53x = 3,200,366.70 × 997,630.97 - Step 4: Simplify right side
2,136,439.53x = 3,192,784,919,274.87 - Step 5: Solve for x
x = 3,192,784,919,274.87/2,136,439.53 - Step 6: Final answer
x = 1,494,441.98
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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.