Finding the Fourth Proportional to 5,521,540.17, 7,617,752.91 and 3,197,163.77
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Solution
The fourth proportional to 5,521,540.17, 7,617,752.91 and 3,197,163.77 is: 4,410,943.84
Step by Step Solution
- Step 1: Write the proportion equation
5,521,540.17 : 7,617,752.91 = 3,197,163.77 : x - Step 2: Convert to fraction form
5,521,540.17/7,617,752.91 = 3,197,163.77/x - Step 3: Cross multiply
5,521,540.17x = 7,617,752.91 × 3,197,163.77 - Step 4: Simplify right side
5,521,540.17x = 24,355,203,574,575.31 - Step 5: Solve for x
x = 24,355,203,574,575.31/5,521,540.17 - Step 6: Final answer
x = 4,410,943.84
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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.