Finding the Fourth Proportional to 4,826,470.69, 6,660,992.10 and 2,761,076.17
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Solution
The fourth proportional to 4,826,470.69, 6,660,992.10 and 2,761,076.17 is: 3,810,549.72
Step by Step Solution
- Step 1: Write the proportion equation
4,826,470.69 : 6,660,992.10 = 2,761,076.17 : x - Step 2: Convert to fraction form
4,826,470.69/6,660,992.10 = 2,761,076.17/x - Step 3: Cross multiply
4,826,470.69x = 6,660,992.10 × 2,761,076.17 - Step 4: Simplify right side
4,826,470.69x = 18,391,506,555,868.25 - Step 5: Solve for x
x = 18,391,506,555,868.25/4,826,470.69 - Step 6: Final answer
x = 3,810,549.72
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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.