Finding the Fourth Proportional to 6,317,140.74, 8,717,654.27 and 3,416,531.64
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Solution
The fourth proportional to 6,317,140.74, 8,717,654.27 and 3,416,531.64 is: 4,714,813.69
Step by Step Solution
- Step 1: Write the proportion equation
6,317,140.74 : 8,717,654.27 = 3,416,531.64 : x - Step 2: Convert to fraction form
6,317,140.74/8,717,654.27 = 3,416,531.64/x - Step 3: Cross multiply
6,317,140.74x = 8,717,654.27 × 3,416,531.64 - Step 4: Simplify right side
6,317,140.74x = 29,784,141,640,036.10 - Step 5: Solve for x
x = 29,784,141,640,036.10/6,317,140.74 - Step 6: Final answer
x = 4,714,813.69
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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.