Finding the Fourth Proportional to 6,317,126.36, 8,717,634.39 and 3,416,517.23
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Solution
The fourth proportional to 6,317,126.36, 8,717,634.39 and 3,416,517.23 is: 4,714,793.78
Step by Step Solution
- Step 1: Write the proportion equation
6,317,126.36 : 8,717,634.39 = 3,416,517.23 : x - Step 2: Convert to fraction form
6,317,126.36/8,717,634.39 = 3,416,517.23/x - Step 3: Cross multiply
6,317,126.36x = 8,717,634.39 × 3,416,517.23 - Step 4: Simplify right side
6,317,126.36x = 29,783,948,098,275.54 - Step 5: Solve for x
x = 29,783,948,098,275.54/6,317,126.36 - Step 6: Final answer
x = 4,714,793.78
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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.