Finding the Fourth Proportional to 3,770,221.24, 5,656,206.62 and 1,245,723.40
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Solution
The fourth proportional to 3,770,221.24, 5,656,206.62 and 1,245,723.40 is: 1,868,874.13
Step by Step Solution
- Step 1: Write the proportion equation
3,770,221.24 : 5,656,206.62 = 1,245,723.40 : x - Step 2: Convert to fraction form
3,770,221.24/5,656,206.62 = 1,245,723.40/x - Step 3: Cross multiply
3,770,221.24x = 5,656,206.62 × 1,245,723.40 - Step 4: Simplify right side
3,770,221.24x = 7,046,068,941,768.91 - Step 5: Solve for x
x = 7,046,068,941,768.91/3,770,221.24 - Step 6: Final answer
x = 1,868,874.13
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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.