Finding the Fourth Proportional to 3,261,769.20, 4,889,543.40 and 2,541,711.60
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Solution
The fourth proportional to 3,261,769.20, 4,889,543.40 and 2,541,711.60 is: 3,810,143.64
Step by Step Solution
- Step 1: Write the proportion equation
3,261,769.20 : 4,889,543.40 = 2,541,711.60 : x - Step 2: Convert to fraction form
3,261,769.20/4,889,543.40 = 2,541,711.60/x - Step 3: Cross multiply
3,261,769.20x = 4,889,543.40 × 2,541,711.60 - Step 4: Simplify right side
3,261,769.20x = 12,427,809,178,483.44 - Step 5: Solve for x
x = 12,427,809,178,483.44/3,261,769.20 - Step 6: Final answer
x = 3,810,143.64
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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.