Finding the Fourth Proportional to 3,846,841.44, 5,308,121.36 and 2,193,201.92
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Solution
The fourth proportional to 3,846,841.44, 5,308,121.36 and 2,193,201.92 is: 3,026,322.28
Step by Step Solution
- Step 1: Write the proportion equation
3,846,841.44 : 5,308,121.36 = 2,193,201.92 : x - Step 2: Convert to fraction form
3,846,841.44/5,308,121.36 = 2,193,201.92/x - Step 3: Cross multiply
3,846,841.44x = 5,308,121.36 × 2,193,201.92 - Step 4: Simplify right side
3,846,841.44x = 11,641,781,958,345.01 - Step 5: Solve for x
x = 11,641,781,958,345.01/3,846,841.44 - Step 6: Final answer
x = 3,026,322.28
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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.