Finding the Fourth Proportional to 3,800,613.49, 5,244,781.79 and 2,058,268.76
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Solution
The fourth proportional to 3,800,613.49, 5,244,781.79 and 2,058,268.76 is: 2,840,375.78
Step by Step Solution
- Step 1: Write the proportion equation
3,800,613.49 : 5,244,781.79 = 2,058,268.76 : x - Step 2: Convert to fraction form
3,800,613.49/5,244,781.79 = 2,058,268.76/x - Step 3: Cross multiply
3,800,613.49x = 5,244,781.79 × 2,058,268.76 - Step 4: Simplify right side
3,800,613.49x = 10,795,170,511,373.88 - Step 5: Solve for x
x = 10,795,170,511,373.88/3,800,613.49 - Step 6: Final answer
x = 2,840,375.78
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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.