Finding the Fourth Proportional to 6,317,137.49, 8,717,649.77 and 3,416,528.39
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Solution
The fourth proportional to 6,317,137.49, 8,717,649.77 and 3,416,528.39 is: 4,714,809.19
Step by Step Solution
- Step 1: Write the proportion equation
6,317,137.49 : 8,717,649.77 = 3,416,528.39 : x - Step 2: Convert to fraction form
6,317,137.49/8,717,649.77 = 3,416,528.39/x - Step 3: Cross multiply
6,317,137.49x = 8,717,649.77 × 3,416,528.39 - Step 4: Simplify right side
6,317,137.49x = 29,784,097,898,235.04 - Step 5: Solve for x
x = 29,784,097,898,235.04/6,317,137.49 - Step 6: Final answer
x = 4,714,809.19
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1.5x scale
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.