Finding the Fourth Proportional to 5,451,687.70, 8,177,531.55 and 5,346,711.70
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Solution
The fourth proportional to 5,451,687.70, 8,177,531.55 and 5,346,711.70 is: 8,020,067.55
Step by Step Solution
- Step 1: Write the proportion equation
5,451,687.70 : 8,177,531.55 = 5,346,711.70 : x - Step 2: Convert to fraction form
5,451,687.70/8,177,531.55 = 5,346,711.70/x - Step 3: Cross multiply
5,451,687.70x = 8,177,531.55 × 5,346,711.70 - Step 4: Simplify right side
5,451,687.70x = 43,722,903,615,504.13 - Step 5: Solve for x
x = 43,722,903,615,504.13/5,451,687.70 - Step 6: Final answer
x = 8,020,067.55
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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.