Finding the Fourth Proportional to 3,609,804.62, 4,981,387.62 and 2,158,635.35
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Solution
The fourth proportional to 3,609,804.62, 4,981,387.62 and 2,158,635.35 is: 2,978,831.42
Step by Step Solution
- Step 1: Write the proportion equation
3,609,804.62 : 4,981,387.62 = 2,158,635.35 : x - Step 2: Convert to fraction form
3,609,804.62/4,981,387.62 = 2,158,635.35/x - Step 3: Cross multiply
3,609,804.62x = 4,981,387.62 × 2,158,635.35 - Step 4: Simplify right side
3,609,804.62x = 10,752,999,408,584.37 - Step 5: Solve for x
x = 10,752,999,408,584.37/3,609,804.62 - Step 6: Final answer
x = 2,978,831.42
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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.