Finding the Fourth Proportional to 4,342,081.70, 5,992,790.20 and 2,408,965.08
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Solution
The fourth proportional to 4,342,081.70, 5,992,790.20 and 2,408,965.08 is: 3,324,769.85
Step by Step Solution
- Step 1: Write the proportion equation
4,342,081.70 : 5,992,790.20 = 2,408,965.08 : x - Step 2: Convert to fraction form
4,342,081.70/5,992,790.20 = 2,408,965.08/x - Step 3: Cross multiply
4,342,081.70x = 5,992,790.20 × 2,408,965.08 - Step 4: Simplify right side
4,342,081.70x = 14,436,422,323,566.22 - Step 5: Solve for x
x = 14,436,422,323,566.22/4,342,081.70 - Step 6: Final answer
x = 3,324,769.85
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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.