Finding the Fourth Proportional to 7,268,523.40, 10,902,785.10 and 2,481,617.80
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Solution
The fourth proportional to 7,268,523.40, 10,902,785.10 and 2,481,617.80 is: 3,722,426.70
Step by Step Solution
- Step 1: Write the proportion equation
7,268,523.40 : 10,902,785.10 = 2,481,617.80 : x - Step 2: Convert to fraction form
7,268,523.40/10,902,785.10 = 2,481,617.80/x - Step 3: Cross multiply
7,268,523.40x = 10,902,785.10 × 2,481,617.80 - Step 4: Simplify right side
7,268,523.40x = 27,056,545,573,734.78 - Step 5: Solve for x
x = 27,056,545,573,734.78/7,268,523.40 - Step 6: Final answer
x = 3,722,426.70
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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.