Finding the Fourth Proportional to 1,621,273.92, 2,237,318.97 and 886,195.19
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Solution
The fourth proportional to 1,621,273.92, 2,237,318.97 and 886,195.19 is: 1,222,928.03
Step by Step Solution
- Step 1: Write the proportion equation
1,621,273.92 : 2,237,318.97 = 886,195.19 : x - Step 2: Convert to fraction form
1,621,273.92/2,237,318.97 = 886,195.19/x - Step 3: Cross multiply
1,621,273.92x = 2,237,318.97 × 886,195.19 - Step 4: Simplify right side
1,621,273.92x = 1,982,701,311,979.82 - Step 5: Solve for x
x = 1,982,701,311,979.82/1,621,273.92 - Step 6: Final answer
x = 1,222,928.03
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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.