Finding the Fourth Proportional to 1,686,991.82, 2,327,704.74 and 998,318.97
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Solution
The fourth proportional to 1,686,991.82, 2,327,704.74 and 998,318.97 is: 1,377,476.63
Step by Step Solution
- Step 1: Write the proportion equation
1,686,991.82 : 2,327,704.74 = 998,318.97 : x - Step 2: Convert to fraction form
1,686,991.82/2,327,704.74 = 998,318.97/x - Step 3: Cross multiply
1,686,991.82x = 2,327,704.74 × 998,318.97 - Step 4: Simplify right side
1,686,991.82x = 2,323,791,798,500.92 - Step 5: Solve for x
x = 2,323,791,798,500.92/1,686,991.82 - Step 6: Final answer
x = 1,377,476.63
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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.