Finding the Fourth Proportional to 2,512,871.57, 3,467,760.13 and 1,366,949.18
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Solution
The fourth proportional to 2,512,871.57, 3,467,760.13 and 1,366,949.18 is: 1,886,388.43
Step by Step Solution
- Step 1: Write the proportion equation
2,512,871.57 : 3,467,760.13 = 1,366,949.18 : x - Step 2: Convert to fraction form
2,512,871.57/3,467,760.13 = 1,366,949.18/x - Step 3: Cross multiply
2,512,871.57x = 3,467,760.13 × 1,366,949.18 - Step 4: Simplify right side
2,512,871.57x = 4,740,251,866,140.19 - Step 5: Solve for x
x = 4,740,251,866,140.19/2,512,871.57 - Step 6: Final answer
x = 1,886,388.43
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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.