Finding the Fourth Proportional to 2,211,116.14, 3,313,874.30 and 1,074,138.58
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Solution
The fourth proportional to 2,211,116.14, 3,313,874.30 and 1,074,138.58 is: 1,609,847.70
Step by Step Solution
- Step 1: Write the proportion equation
2,211,116.14 : 3,313,874.30 = 1,074,138.58 : x - Step 2: Convert to fraction form
2,211,116.14/3,313,874.30 = 1,074,138.58/x - Step 3: Cross multiply
2,211,116.14x = 3,313,874.30 × 1,074,138.58 - Step 4: Simplify right side
2,211,116.14x = 3,559,560,229,301.16 - Step 5: Solve for x
x = 3,559,560,229,301.16/2,211,116.14 - Step 6: Final answer
x = 1,609,847.70
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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.