Finding the Fourth Proportional to 2,764,865, 4,147,297.50 and 663,617
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Solution
The fourth proportional to 2,764,865, 4,147,297.50 and 663,617 is: 995,425.50
Step by Step Solution
- Step 1: Write the proportion equation
2,764,865 : 4,147,297.50 = 663,617 : x - Step 2: Convert to fraction form
2,764,865/4,147,297.50 = 663,617/x - Step 3: Cross multiply
2,764,865x = 4,147,297.50 × 663,617 - Step 4: Simplify right side
2,764,865x = 2,752,217,125,057.50 - Step 5: Solve for x
x = 2,752,217,125,057.50/2,764,865 - Step 6: Final answer
x = 995,425.50
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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.