Finding the Fourth Proportional to 3,950,116.97, 5,451,161.42 and 2,139,280.97
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Solution
The fourth proportional to 3,950,116.97, 5,451,161.42 and 2,139,280.97 is: 2,952,207.74
Step by Step Solution
- Step 1: Write the proportion equation
3,950,116.97 : 5,451,161.42 = 2,139,280.97 : x - Step 2: Convert to fraction form
3,950,116.97/5,451,161.42 = 2,139,280.97/x - Step 3: Cross multiply
3,950,116.97x = 5,451,161.42 × 2,139,280.97 - Step 4: Simplify right side
3,950,116.97x = 11,661,565,888,738.43 - Step 5: Solve for x
x = 11,661,565,888,738.43/3,950,116.97 - Step 6: Final answer
x = 2,952,207.74
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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.