Finding the Fourth Proportional to 2,775,193.91, 3,829,851.74 and 1,551,550.99
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Solution
The fourth proportional to 2,775,193.91, 3,829,851.74 and 1,551,550.99 is: 2,141,187.40
Step by Step Solution
- Step 1: Write the proportion equation
2,775,193.91 : 3,829,851.74 = 1,551,550.99 : x - Step 2: Convert to fraction form
2,775,193.91/3,829,851.74 = 1,551,550.99/x - Step 3: Cross multiply
2,775,193.91x = 3,829,851.74 × 1,551,550.99 - Step 4: Simplify right side
2,775,193.91x = 5,942,210,231,843.21 - Step 5: Solve for x
x = 5,942,210,231,843.21/2,775,193.91 - Step 6: Final answer
x = 2,141,187.40
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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.