Finding the Fourth Proportional to 5,755,156.74, 7,942,088.70 and 3,176,814.96
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Solution
The fourth proportional to 5,755,156.74, 7,942,088.70 and 3,176,814.96 is: 4,383,989.41
Step by Step Solution
- Step 1: Write the proportion equation
5,755,156.74 : 7,942,088.70 = 3,176,814.96 : x - Step 2: Convert to fraction form
5,755,156.74/7,942,088.70 = 3,176,814.96/x - Step 3: Cross multiply
5,755,156.74x = 7,942,088.70 × 3,176,814.96 - Step 4: Simplify right side
5,755,156.74x = 25,230,546,195,806.95 - Step 5: Solve for x
x = 25,230,546,195,806.95/5,755,156.74 - Step 6: Final answer
x = 4,383,989.41
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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.