Finding the Fourth Proportional to 2,000,112.95, 2,760,163.13 and 1,082,341.99
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Solution
The fourth proportional to 2,000,112.95, 2,760,163.13 and 1,082,341.99 is: 1,493,635.88
Step by Step Solution
- Step 1: Write the proportion equation
2,000,112.95 : 2,760,163.13 = 1,082,341.99 : x - Step 2: Convert to fraction form
2,000,112.95/2,760,163.13 = 1,082,341.99/x - Step 3: Cross multiply
2,000,112.95x = 2,760,163.13 × 1,082,341.99 - Step 4: Simplify right side
2,000,112.95x = 2,987,440,461,004.89 - Step 5: Solve for x
x = 2,987,440,461,004.89/2,000,112.95 - Step 6: Final answer
x = 1,493,635.88
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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.