Finding the Fourth Proportional to 3,984,272.70, 5,976,409.05 and 992,456.70
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Solution
The fourth proportional to 3,984,272.70, 5,976,409.05 and 992,456.70 is: 1,488,685.05
Step by Step Solution
- Step 1: Write the proportion equation
3,984,272.70 : 5,976,409.05 = 992,456.70 : x - Step 2: Convert to fraction form
3,984,272.70/5,976,409.05 = 992,456.70/x - Step 3: Cross multiply
3,984,272.70x = 5,976,409.05 × 992,456.70 - Step 4: Simplify right side
3,984,272.70x = 5,931,327,203,613.14 - Step 5: Solve for x
x = 5,931,327,203,613.14/3,984,272.70 - Step 6: Final answer
x = 1,488,685.05
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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.