Finding the Fourth Proportional to 4,112,948.80, 5,676,560.18 and 2,395,082.17
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Solution
The fourth proportional to 4,112,948.80, 5,676,560.18 and 2,395,082.17 is: 3,305,615.69
Step by Step Solution
- Step 1: Write the proportion equation
4,112,948.80 : 5,676,560.18 = 2,395,082.17 : x - Step 2: Convert to fraction form
4,112,948.80/5,676,560.18 = 2,395,082.17/x - Step 3: Cross multiply
4,112,948.80x = 5,676,560.18 × 2,395,082.17 - Step 4: Simplify right side
4,112,948.80x = 13,595,828,074,049.99 - Step 5: Solve for x
x = 13,595,828,074,049.99/4,112,948.80 - Step 6: Final answer
x = 3,305,615.69
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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.