Finding the Fourth Proportional to 3,177,791.99, 4,385,381.49 and 1,727,490.23
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Solution
The fourth proportional to 3,177,791.99, 4,385,381.49 and 1,727,490.23 is: 2,383,952.04
Step by Step Solution
- Step 1: Write the proportion equation
3,177,791.99 : 4,385,381.49 = 1,727,490.23 : x - Step 2: Convert to fraction form
3,177,791.99/4,385,381.49 = 1,727,490.23/x - Step 3: Cross multiply
3,177,791.99x = 4,385,381.49 × 1,727,490.23 - Step 4: Simplify right side
3,177,791.99x = 7,575,703,689,761.30 - Step 5: Solve for x
x = 7,575,703,689,761.30/3,177,791.99 - Step 6: Final answer
x = 2,383,952.04
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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.