Finding the Fourth Proportional to 5,541,085.76, 7,649,290.07 and 3,217,525.68
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Solution
The fourth proportional to 5,541,085.76, 7,649,290.07 and 3,217,525.68 is: 4,441,690.37
Step by Step Solution
- Step 1: Write the proportion equation
5,541,085.76 : 7,649,290.07 = 3,217,525.68 : x - Step 2: Convert to fraction form
5,541,085.76/7,649,290.07 = 3,217,525.68/x - Step 3: Cross multiply
5,541,085.76x = 7,649,290.07 × 3,217,525.68 - Step 4: Simplify right side
5,541,085.76x = 24,611,787,270,722.65 - Step 5: Solve for x
x = 24,611,787,270,722.65/5,541,085.76 - Step 6: Final answer
x = 4,441,690.37
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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.