Finding the Fourth Proportional to 2,976,791.54, 4,107,474.38 and 1,753,340.68
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Solution
The fourth proportional to 2,976,791.54, 4,107,474.38 and 1,753,340.68 is: 2,419,316.84
Step by Step Solution
- Step 1: Write the proportion equation
2,976,791.54 : 4,107,474.38 = 1,753,340.68 : x - Step 2: Convert to fraction form
2,976,791.54/4,107,474.38 = 1,753,340.68/x - Step 3: Cross multiply
2,976,791.54x = 4,107,474.38 × 1,753,340.68 - Step 4: Simplify right side
2,976,791.54x = 7,201,801,916,626.44 - Step 5: Solve for x
x = 7,201,801,916,626.44/2,976,791.54 - Step 6: Final answer
x = 2,419,316.84
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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.