Finding the Fourth Proportional to 2,246,840.76, 3,100,660.88 and 1,279,956.72
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Solution
The fourth proportional to 2,246,840.76, 3,100,660.88 and 1,279,956.72 is: 1,766,352.03
Step by Step Solution
- Step 1: Write the proportion equation
2,246,840.76 : 3,100,660.88 = 1,279,956.72 : x - Step 2: Convert to fraction form
2,246,840.76/3,100,660.88 = 1,279,956.72/x - Step 3: Cross multiply
2,246,840.76x = 3,100,660.88 × 1,279,956.72 - Step 4: Simplify right side
2,246,840.76x = 3,968,711,729,797.11 - Step 5: Solve for x
x = 3,968,711,729,797.11/2,246,840.76 - Step 6: Final answer
x = 1,766,352.03
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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.