Finding the Fourth Proportional to 3,072,296.56, 4,608,439.68 and 1,273,979.92
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Solution
The fourth proportional to 3,072,296.56, 4,608,439.68 and 1,273,979.92 is: 1,910,967.74
Step by Step Solution
- Step 1: Write the proportion equation
3,072,296.56 : 4,608,439.68 = 1,273,979.92 : x - Step 2: Convert to fraction form
3,072,296.56/4,608,439.68 = 1,273,979.92/x - Step 3: Cross multiply
3,072,296.56x = 4,608,439.68 × 1,273,979.92 - Step 4: Simplify right side
3,072,296.56x = 5,871,059,614,851.23 - Step 5: Solve for x
x = 5,871,059,614,851.23/3,072,296.56 - Step 6: Final answer
x = 1,910,967.74
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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.