Finding the Fourth Proportional to 3,769,749.97, 5,204,061.84 and 2,320,687.51
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Solution
The fourth proportional to 3,769,749.97, 5,204,061.84 and 2,320,687.51 is: 3,203,661.09
Step by Step Solution
- Step 1: Write the proportion equation
3,769,749.97 : 5,204,061.84 = 2,320,687.51 : x - Step 2: Convert to fraction form
3,769,749.97/5,204,061.84 = 2,320,687.51/x - Step 3: Cross multiply
3,769,749.97x = 5,204,061.84 × 2,320,687.51 - Step 4: Simplify right side
3,769,749.97x = 12,077,001,313,355.62 - Step 5: Solve for x
x = 12,077,001,313,355.62/3,769,749.97 - Step 6: Final answer
x = 3,203,661.09
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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.