Finding the Fourth Proportional to 3,782,185.38, 5,218,701.99 and 2,254,434.66
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Solution
The fourth proportional to 3,782,185.38, 5,218,701.99 and 2,254,434.66 is: 3,110,694.34
Step by Step Solution
- Step 1: Write the proportion equation
3,782,185.38 : 5,218,701.99 = 2,254,434.66 : x - Step 2: Convert to fraction form
3,782,185.38/5,218,701.99 = 2,254,434.66/x - Step 3: Cross multiply
3,782,185.38x = 5,218,701.99 × 2,254,434.66 - Step 4: Simplify right side
3,782,185.38x = 11,765,222,646,466.97 - Step 5: Solve for x
x = 11,765,222,646,466.97/3,782,185.38 - Step 6: Final answer
x = 3,110,694.34
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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.