Finding the Fourth Proportional to 2,206,660.83, 3,045,286.02 and 1,239,792.99
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Solution
The fourth proportional to 2,206,660.83, 3,045,286.02 and 1,239,792.99 is: 1,710,967.18
Step by Step Solution
- Step 1: Write the proportion equation
2,206,660.83 : 3,045,286.02 = 1,239,792.99 : x - Step 2: Convert to fraction form
2,206,660.83/3,045,286.02 = 1,239,792.99/x - Step 3: Cross multiply
2,206,660.83x = 3,045,286.02 × 1,239,792.99 - Step 4: Simplify right side
2,206,660.83x = 3,775,524,260,141 - Step 5: Solve for x
x = 3,775,524,260,141/2,206,660.83 - Step 6: Final answer
x = 1,710,967.18
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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.