Finding the Fourth Proportional to 2,297,581.20, 3,170,576.52 and 1,278,964.08
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Solution
The fourth proportional to 2,297,581.20, 3,170,576.52 and 1,278,964.08 is: 1,764,922.82
Step by Step Solution
- Step 1: Write the proportion equation
2,297,581.20 : 3,170,576.52 = 1,278,964.08 : x - Step 2: Convert to fraction form
2,297,581.20/3,170,576.52 = 1,278,964.08/x - Step 3: Cross multiply
2,297,581.20x = 3,170,576.52 × 1,278,964.08 - Step 4: Simplify right side
2,297,581.20x = 4,055,053,481,971.40 - Step 5: Solve for x
x = 4,055,053,481,971.40/2,297,581.20 - Step 6: Final answer
x = 1,764,922.82
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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.