Finding the Fourth Proportional to 2,102,636.67, 2,901,639.72 and 1,135,766.94
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Solution
The fourth proportional to 2,102,636.67, 2,901,639.72 and 1,135,766.94 is: 1,567,358.98
Step by Step Solution
- Step 1: Write the proportion equation
2,102,636.67 : 2,901,639.72 = 1,135,766.94 : x - Step 2: Convert to fraction form
2,102,636.67/2,901,639.72 = 1,135,766.94/x - Step 3: Cross multiply
2,102,636.67x = 2,901,639.72 × 1,135,766.94 - Step 4: Simplify right side
2,102,636.67x = 3,295,586,451,258.66 - Step 5: Solve for x
x = 3,295,586,451,258.66/2,102,636.67 - Step 6: Final answer
x = 1,567,358.98
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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.