Finding the Fourth Proportional to 2,252,620.43, 3,107,758.08 and 1,665,330.06
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Solution
The fourth proportional to 2,252,620.43, 3,107,758.08 and 1,665,330.06 is: 2,297,521.10
Step by Step Solution
- Step 1: Write the proportion equation
2,252,620.43 : 3,107,758.08 = 1,665,330.06 : x - Step 2: Convert to fraction form
2,252,620.43/3,107,758.08 = 1,665,330.06/x - Step 3: Cross multiply
2,252,620.43x = 3,107,758.08 × 1,665,330.06 - Step 4: Simplify right side
2,252,620.43x = 5,175,442,967,730.97 - Step 5: Solve for x
x = 5,175,442,967,730.97/2,252,620.43 - Step 6: Final answer
x = 2,297,521.10
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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.