Finding the Fourth Proportional to 6,255,257.40, 9,383,760.90 and 2,660,995.80
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Solution
The fourth proportional to 6,255,257.40, 9,383,760.90 and 2,660,995.80 is: 3,991,865.84
Step by Step Solution
- Step 1: Write the proportion equation
6,255,257.40 : 9,383,760.90 = 2,660,995.80 : x - Step 2: Convert to fraction form
6,255,257.40/9,383,760.90 = 2,660,995.80/x - Step 3: Cross multiply
6,255,257.40x = 9,383,760.90 × 2,660,995.80 - Step 4: Simplify right side
6,255,257.40x = 24,970,148,343,104.22 - Step 5: Solve for x
x = 24,970,148,343,104.22/6,255,257.40 - Step 6: Final answer
x = 3,991,865.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.