Finding the Fourth Proportional to 1,686,640.05, 2,327,581.62 and 922,677.21
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Solution
The fourth proportional to 1,686,640.05, 2,327,581.62 and 922,677.21 is: 1,273,304.59
Step by Step Solution
- Step 1: Write the proportion equation
1,686,640.05 : 2,327,581.62 = 922,677.21 : x - Step 2: Convert to fraction form
1,686,640.05/2,327,581.62 = 922,677.21/x - Step 3: Cross multiply
1,686,640.05x = 2,327,581.62 × 922,677.21 - Step 4: Simplify right side
1,686,640.05x = 2,147,606,515,188.88 - Step 5: Solve for x
x = 2,147,606,515,188.88/1,686,640.05 - Step 6: Final answer
x = 1,273,304.59
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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.