Finding the Fourth Proportional to 3,800,353.12, 5,244,572.20 and 2,168,728
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Solution
The fourth proportional to 3,800,353.12, 5,244,572.20 and 2,168,728 is: 2,992,893.09
Step by Step Solution
- Step 1: Write the proportion equation
3,800,353.12 : 5,244,572.20 = 2,168,728 : x - Step 2: Convert to fraction form
3,800,353.12/5,244,572.20 = 2,168,728/x - Step 3: Cross multiply
3,800,353.12x = 5,244,572.20 × 2,168,728 - Step 4: Simplify right side
3,800,353.12x = 11,374,050,578,161.60 - Step 5: Solve for x
x = 11,374,050,578,161.60/3,800,353.12 - Step 6: Final answer
x = 2,992,893.09
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1.5x scale
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.