Finding the Fourth Proportional to 6,317,138.34, 8,717,651.27 and 3,416,528.44
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Solution
The fourth proportional to 6,317,138.34, 8,717,651.27 and 3,416,528.44 is: 4,714,809.44
Step by Step Solution
- Step 1: Write the proportion equation
6,317,138.34 : 8,717,651.27 = 3,416,528.44 : x - Step 2: Convert to fraction form
6,317,138.34/8,717,651.27 = 3,416,528.44/x - Step 3: Cross multiply
6,317,138.34x = 8,717,651.27 × 3,416,528.44 - Step 4: Simplify right side
6,317,138.34x = 29,784,103,495,283.97 - Step 5: Solve for x
x = 29,784,103,495,283.97/6,317,138.34 - Step 6: Final answer
x = 4,714,809.44
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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.