Finding the Fourth Proportional to 3,108,177.99, 4,663,013.55 and 1,189,057.82
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Solution
The fourth proportional to 3,108,177.99, 4,663,013.55 and 1,189,057.82 is: 1,783,872.33
Step by Step Solution
- Step 1: Write the proportion equation
3,108,177.99 : 4,663,013.55 = 1,189,057.82 : x - Step 2: Convert to fraction form
3,108,177.99/4,663,013.55 = 1,189,057.82/x - Step 3: Cross multiply
3,108,177.99x = 4,663,013.55 × 1,189,057.82 - Step 4: Simplify right side
3,108,177.99x = 5,544,592,726,393.46 - Step 5: Solve for x
x = 5,544,592,726,393.46/3,108,177.99 - Step 6: Final answer
x = 1,783,872.33
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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.