Finding the Fourth Proportional to 4,914,785.14, 6,782,434.92 and 2,739,466.18
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Solution
The fourth proportional to 4,914,785.14, 6,782,434.92 and 2,739,466.18 is: 3,780,480.85
Step by Step Solution
- Step 1: Write the proportion equation
4,914,785.14 : 6,782,434.92 = 2,739,466.18 : x - Step 2: Convert to fraction form
4,914,785.14/6,782,434.92 = 2,739,466.18/x - Step 3: Cross multiply
4,914,785.14x = 6,782,434.92 × 2,739,466.18 - Step 4: Simplify right side
4,914,785.14x = 18,580,251,081,391.01 - Step 5: Solve for x
x = 18,580,251,081,391.01/4,914,785.14 - Step 6: Final answer
x = 3,780,480.85
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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.