Finding the Fourth Proportional to 2,218,663.51, 3,329,883.68 and 871,767.97
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Solution
The fourth proportional to 2,218,663.51, 3,329,883.68 and 871,767.97 is: 1,308,393.96
Step by Step Solution
- Step 1: Write the proportion equation
2,218,663.51 : 3,329,883.68 = 871,767.97 : x - Step 2: Convert to fraction form
2,218,663.51/3,329,883.68 = 871,767.97/x - Step 3: Cross multiply
2,218,663.51x = 3,329,883.68 × 871,767.97 - Step 4: Simplify right side
2,218,663.51x = 2,902,885,923,366.18 - Step 5: Solve for x
x = 2,902,885,923,366.18/2,218,663.51 - Step 6: Final answer
x = 1,308,393.96
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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.