Finding the Fourth Proportional to 2,079,728.70, 3,120,759.45 and 881,447.10
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Solution
The fourth proportional to 2,079,728.70, 3,120,759.45 and 881,447.10 is: 1,322,665.00
Step by Step Solution
- Step 1: Write the proportion equation
2,079,728.70 : 3,120,759.45 = 881,447.10 : x - Step 2: Convert to fraction form
2,079,728.70/3,120,759.45 = 881,447.10/x - Step 3: Cross multiply
2,079,728.70x = 3,120,759.45 × 881,447.10 - Step 4: Simplify right side
2,079,728.70x = 2,750,784,367,000.10 - Step 5: Solve for x
x = 2,750,784,367,000.10/2,079,728.70 - Step 6: Final answer
x = 1,322,665.00
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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.