Finding the Fourth Proportional to 6,311,760, 8,708,177.80 and 3,861,817.08
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Solution
The fourth proportional to 6,311,760, 8,708,177.80 and 3,861,817.08 is: 5,328,052.68
Step by Step Solution
- Step 1: Write the proportion equation
6,311,760 : 8,708,177.80 = 3,861,817.08 : x - Step 2: Convert to fraction form
6,311,760/8,708,177.80 = 3,861,817.08/x - Step 3: Cross multiply
6,311,760x = 8,708,177.80 × 3,861,817.08 - Step 4: Simplify right side
6,311,760x = 33,629,389,763,716.83 - Step 5: Solve for x
x = 33,629,389,763,716.83/6,311,760 - Step 6: Final answer
x = 5,328,052.68
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1.5x scale
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.