Finding the Fourth Proportional to 3,393,751.46, 4,684,886.78 and 2,017,540.80
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Solution
The fourth proportional to 3,393,751.46, 4,684,886.78 and 2,017,540.80 is: 2,785,103.84
Step by Step Solution
- Step 1: Write the proportion equation
3,393,751.46 : 4,684,886.78 = 2,017,540.80 : x - Step 2: Convert to fraction form
3,393,751.46/4,684,886.78 = 2,017,540.80/x - Step 3: Cross multiply
3,393,751.46x = 4,684,886.78 × 2,017,540.80 - Step 4: Simplify right side
3,393,751.46x = 9,451,950,211,942.92 - Step 5: Solve for x
x = 9,451,950,211,942.92/3,393,751.46 - Step 6: Final answer
x = 2,785,103.84
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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.