Finding the Fourth Proportional to 2,288,351.60, 3,428,590.80 and 1,489,221.80
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Solution
The fourth proportional to 2,288,351.60, 3,428,590.80 and 1,489,221.80 is: 2,231,270.83
Step by Step Solution
- Step 1: Write the proportion equation
2,288,351.60 : 3,428,590.80 = 1,489,221.80 : x - Step 2: Convert to fraction form
2,288,351.60/3,428,590.80 = 1,489,221.80/x - Step 3: Cross multiply
2,288,351.60x = 3,428,590.80 × 1,489,221.80 - Step 4: Simplify right side
2,288,351.60x = 5,105,932,162,639.44 - Step 5: Solve for x
x = 5,105,932,162,639.44/2,288,351.60 - Step 6: Final answer
x = 2,231,270.83
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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.