Finding the Fourth Proportional to 4,952,074.54, 6,833,932.68 and 2,991,680.05
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Solution
The fourth proportional to 4,952,074.54, 6,833,932.68 and 2,991,680.05 is: 4,128,560.65
Step by Step Solution
- Step 1: Write the proportion equation
4,952,074.54 : 6,833,932.68 = 2,991,680.05 : x - Step 2: Convert to fraction form
4,952,074.54/6,833,932.68 = 2,991,680.05/x - Step 3: Cross multiply
4,952,074.54x = 6,833,932.68 × 2,991,680.05 - Step 4: Simplify right side
4,952,074.54x = 20,444,940,061,799.03 - Step 5: Solve for x
x = 20,444,940,061,799.03/4,952,074.54 - Step 6: Final answer
x = 4,128,560.65
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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.