Finding the Fourth Proportional to 6,622,542.93, 9,138,287.28 and 3,832,145.38
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Solution
The fourth proportional to 6,622,542.93, 9,138,287.28 and 3,832,145.38 is: 5,287,884.99
Step by Step Solution
- Step 1: Write the proportion equation
6,622,542.93 : 9,138,287.28 = 3,832,145.38 : x - Step 2: Convert to fraction form
6,622,542.93/9,138,287.28 = 3,832,145.38/x - Step 3: Cross multiply
6,622,542.93x = 9,138,287.28 × 3,832,145.38 - Step 4: Simplify right side
6,622,542.93x = 35,019,245,358,319.05 - Step 5: Solve for x
x = 35,019,245,358,319.05/6,622,542.93 - Step 6: Final answer
x = 5,287,884.99
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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.