Finding the Fourth Proportional to 4,480,475.22, 6,715,626.53 and 3,939,684.80
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Solution
The fourth proportional to 4,480,475.22, 6,715,626.53 and 3,939,684.80 is: 5,905,054.80
Step by Step Solution
- Step 1: Write the proportion equation
4,480,475.22 : 6,715,626.53 = 3,939,684.80 : x - Step 2: Convert to fraction form
4,480,475.22/6,715,626.53 = 3,939,684.80/x - Step 3: Cross multiply
4,480,475.22x = 6,715,626.53 × 3,939,684.80 - Step 4: Simplify right side
4,480,475.22x = 26,457,451,709,441.19 - Step 5: Solve for x
x = 26,457,451,709,441.19/4,480,475.22 - Step 6: Final answer
x = 5,905,054.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.