Finding the Fourth Proportional to 4,518,057.75, 6,777,167.62 and 1,641,467.49
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Solution
The fourth proportional to 4,518,057.75, 6,777,167.62 and 1,641,467.49 is: 2,462,230.66
Step by Step Solution
- Step 1: Write the proportion equation
4,518,057.75 : 6,777,167.62 = 1,641,467.49 : x - Step 2: Convert to fraction form
4,518,057.75/6,777,167.62 = 1,641,467.49/x - Step 3: Cross multiply
4,518,057.75x = 6,777,167.62 × 1,641,467.49 - Step 4: Simplify right side
4,518,057.75x = 11,124,500,322,510.67 - Step 5: Solve for x
x = 11,124,500,322,510.67/4,518,057.75 - Step 6: Final answer
x = 2,462,230.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.