Finding the Fourth Proportional to 2,093,315.13, 2,888,685.36 and 1,222,198.17
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Solution
The fourth proportional to 2,093,315.13, 2,888,685.36 and 1,222,198.17 is: 1,686,581.21
Step by Step Solution
- Step 1: Write the proportion equation
2,093,315.13 : 2,888,685.36 = 1,222,198.17 : x - Step 2: Convert to fraction form
2,093,315.13/2,888,685.36 = 1,222,198.17/x - Step 3: Cross multiply
2,093,315.13x = 2,888,685.36 × 1,222,198.17 - Step 4: Simplify right side
2,093,315.13x = 3,530,545,960,697.79 - Step 5: Solve for x
x = 3,530,545,960,697.79/2,093,315.13 - Step 6: Final answer
x = 1,686,581.21
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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.