Finding the Fourth Proportional to 6,645,700.44, 9,171,074.80 and 3,589,914.70
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Solution
The fourth proportional to 6,645,700.44, 9,171,074.80 and 3,589,914.70 is: 4,954,086.71
Step by Step Solution
- Step 1: Write the proportion equation
6,645,700.44 : 9,171,074.80 = 3,589,914.70 : x - Step 2: Convert to fraction form
6,645,700.44/9,171,074.80 = 3,589,914.70/x - Step 3: Cross multiply
6,645,700.44x = 9,171,074.80 × 3,589,914.70 - Step 4: Simplify right side
6,645,700.44x = 32,923,376,239,319.56 - Step 5: Solve for x
x = 32,923,376,239,319.56/6,645,700.44 - Step 6: Final answer
x = 4,954,086.71
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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.