Finding the Fourth Proportional to 4,886,702.61, 6,743,650.49 and 2,711,240.54
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Solution
The fourth proportional to 4,886,702.61, 6,743,650.49 and 2,711,240.54 is: 3,741,512.44
Step by Step Solution
- Step 1: Write the proportion equation
4,886,702.61 : 6,743,650.49 = 2,711,240.54 : x - Step 2: Convert to fraction form
4,886,702.61/6,743,650.49 = 2,711,240.54/x - Step 3: Cross multiply
4,886,702.61x = 6,743,650.49 × 2,711,240.54 - Step 4: Simplify right side
4,886,702.61x = 18,283,658,596,078.87 - Step 5: Solve for x
x = 18,283,658,596,078.87/4,886,702.61 - Step 6: Final answer
x = 3,741,512.44
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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.