Finding the Fourth Proportional to 5,502,556.80, 8,246,836.80 and 2,656,540.80
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Solution
The fourth proportional to 5,502,556.80, 8,246,836.80 and 2,656,540.80 is: 3,981,432.49
Step by Step Solution
- Step 1: Write the proportion equation
5,502,556.80 : 8,246,836.80 = 2,656,540.80 : x - Step 2: Convert to fraction form
5,502,556.80/8,246,836.80 = 2,656,540.80/x - Step 3: Cross multiply
5,502,556.80x = 8,246,836.80 × 2,656,540.80 - Step 4: Simplify right side
5,502,556.80x = 21,908,058,430,141.44 - Step 5: Solve for x
x = 21,908,058,430,141.44/5,502,556.80 - Step 6: Final answer
x = 3,981,432.49
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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.