Finding the Fourth Proportional to 2,082,874.05, 2,874,582.66 and 1,199,853.66
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Solution
The fourth proportional to 2,082,874.05, 2,874,582.66 and 1,199,853.66 is: 1,655,922.75
Step by Step Solution
- Step 1: Write the proportion equation
2,082,874.05 : 2,874,582.66 = 1,199,853.66 : x - Step 2: Convert to fraction form
2,082,874.05/2,874,582.66 = 1,199,853.66/x - Step 3: Cross multiply
2,082,874.05x = 2,874,582.66 × 1,199,853.66 - Step 4: Simplify right side
2,082,874.05x = 3,449,078,525,573.54 - Step 5: Solve for x
x = 3,449,078,525,573.54/2,082,874.05 - Step 6: Final answer
x = 1,655,922.75
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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.