Finding the Fourth Proportional to 2,256,775.92, 3,114,561.69 and 1,289,717.34
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Solution
The fourth proportional to 2,256,775.92, 3,114,561.69 and 1,289,717.34 is: 1,779,930.47
Step by Step Solution
- Step 1: Write the proportion equation
2,256,775.92 : 3,114,561.69 = 1,289,717.34 : x - Step 2: Convert to fraction form
2,256,775.92/3,114,561.69 = 1,289,717.34/x - Step 3: Cross multiply
2,256,775.92x = 3,114,561.69 × 1,289,717.34 - Step 4: Simplify right side
2,256,775.92x = 4,016,904,218,092.70 - Step 5: Solve for x
x = 4,016,904,218,092.70/2,256,775.92 - Step 6: Final answer
x = 1,779,930.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.