Finding the Fourth Proportional to 3,203,163.74, 4,420,366.20 and 1,752,859.25
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Solution
The fourth proportional to 3,203,163.74, 4,420,366.20 and 1,752,859.25 is: 2,418,945.90
Step by Step Solution
- Step 1: Write the proportion equation
3,203,163.74 : 4,420,366.20 = 1,752,859.25 : x - Step 2: Convert to fraction form
3,203,163.74/4,420,366.20 = 1,752,859.25/x - Step 3: Cross multiply
3,203,163.74x = 4,420,366.20 × 1,752,859.25 - Step 4: Simplify right side
3,203,163.74x = 7,748,279,782,057.35 - Step 5: Solve for x
x = 7,748,279,782,057.35/3,203,163.74 - Step 6: Final answer
x = 2,418,945.90
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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.