Finding the Fourth Proportional to 2,102,636.17, 2,901,639.03 and 1,135,766.44
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Solution
The fourth proportional to 2,102,636.17, 2,901,639.03 and 1,135,766.44 is: 1,567,358.29
Step by Step Solution
- Step 1: Write the proportion equation
2,102,636.17 : 2,901,639.03 = 1,135,766.44 : x - Step 2: Convert to fraction form
2,102,636.17/2,901,639.03 = 1,135,766.44/x - Step 3: Cross multiply
2,102,636.17x = 2,901,639.03 × 1,135,766.44 - Step 4: Simplify right side
2,102,636.17x = 3,295,584,216,759.96 - Step 5: Solve for x
x = 3,295,584,216,759.96/2,102,636.17 - Step 6: Final answer
x = 1,567,358.29
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1.5x scale
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.