Finding the Fourth Proportional to 5,451,680.70, 8,177,521.05 and 5,346,704.70
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Solution
The fourth proportional to 5,451,680.70, 8,177,521.05 and 5,346,704.70 is: 8,020,057.05
Step by Step Solution
- Step 1: Write the proportion equation
5,451,680.70 : 8,177,521.05 = 5,346,704.70 : x - Step 2: Convert to fraction form
5,451,680.70/8,177,521.05 = 5,346,704.70/x - Step 3: Cross multiply
5,451,680.70x = 8,177,521.05 × 5,346,704.70 - Step 4: Simplify right side
5,451,680.70x = 43,722,790,232,383.94 - Step 5: Solve for x
x = 43,722,790,232,383.94/5,451,680.70 - Step 6: Final answer
x = 8,020,057.05
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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.