Finding the Fourth Proportional to 3,777,616.26, 5,213,295.22 and 2,124,283.68
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Solution
The fourth proportional to 3,777,616.26, 5,213,295.22 and 2,124,283.68 is: 2,931,615.39
Step by Step Solution
- Step 1: Write the proportion equation
3,777,616.26 : 5,213,295.22 = 2,124,283.68 : x - Step 2: Convert to fraction form
3,777,616.26/5,213,295.22 = 2,124,283.68/x - Step 3: Cross multiply
3,777,616.26x = 5,213,295.22 × 2,124,283.68 - Step 4: Simplify right side
3,777,616.26x = 11,074,517,954,868.01 - Step 5: Solve for x
x = 11,074,517,954,868.01/3,777,616.26 - Step 6: Final answer
x = 2,931,615.39
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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.