Finding the Fourth Proportional to 2,757,145.10, 4,135,717.65 and 2,048,557.10
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Solution
The fourth proportional to 2,757,145.10, 4,135,717.65 and 2,048,557.10 is: 3,072,835.65
Step by Step Solution
- Step 1: Write the proportion equation
2,757,145.10 : 4,135,717.65 = 2,048,557.10 : x - Step 2: Convert to fraction form
2,757,145.10/4,135,717.65 = 2,048,557.10/x - Step 3: Cross multiply
2,757,145.10x = 4,135,717.65 × 2,048,557.10 - Step 4: Simplify right side
2,757,145.10x = 8,472,253,755,502.82 - Step 5: Solve for x
x = 8,472,253,755,502.82/2,757,145.10 - Step 6: Final answer
x = 3,072,835.65
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1.5x scale
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.