Finding the Fourth Proportional to 6,317,067.74, 8,717,553.49 and 3,416,458.60
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Solution
The fourth proportional to 6,317,067.74, 8,717,553.49 and 3,416,458.60 is: 4,714,712.87
Step by Step Solution
- Step 1: Write the proportion equation
6,317,067.74 : 8,717,553.49 = 3,416,458.60 : x - Step 2: Convert to fraction form
6,317,067.74/8,717,553.49 = 3,416,458.60/x - Step 3: Cross multiply
6,317,067.74x = 8,717,553.49 × 3,416,458.60 - Step 4: Simplify right side
6,317,067.74x = 29,783,160,548,282.75 - Step 5: Solve for x
x = 29,783,160,548,282.75/6,317,067.74 - Step 6: Final answer
x = 4,714,712.87
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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.