Finding the Fourth Proportional to 2,688,744.20, 4,033,116.30 and 2,476,167.80
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Solution
The fourth proportional to 2,688,744.20, 4,033,116.30 and 2,476,167.80 is: 3,714,251.70
Step by Step Solution
- Step 1: Write the proportion equation
2,688,744.20 : 4,033,116.30 = 2,476,167.80 : x - Step 2: Convert to fraction form
2,688,744.20/4,033,116.30 = 2,476,167.80/x - Step 3: Cross multiply
2,688,744.20x = 4,033,116.30 × 2,476,167.80 - Step 4: Simplify right side
2,688,744.20x = 9,986,672,715,715.14 - Step 5: Solve for x
x = 9,986,672,715,715.14/2,688,744.20 - Step 6: Final answer
x = 3,714,251.70
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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.