Finding the Fourth Proportional to 3,949,768.69, 5,449,137.74 and 2,295,640.96
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Solution
The fourth proportional to 3,949,768.69, 5,449,137.74 and 2,295,640.96 is: 3,167,087.69
Step by Step Solution
- Step 1: Write the proportion equation
3,949,768.69 : 5,449,137.74 = 2,295,640.96 : x - Step 2: Convert to fraction form
3,949,768.69/5,449,137.74 = 2,295,640.96/x - Step 3: Cross multiply
3,949,768.69x = 5,449,137.74 × 2,295,640.96 - Step 4: Simplify right side
3,949,768.69x = 12,509,263,776,133.43 - Step 5: Solve for x
x = 12,509,263,776,133.43/3,949,768.69 - Step 6: Final answer
x = 3,167,087.69
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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.