Finding the Fourth Proportional to 6,317,064.99, 8,717,549.69 and 3,416,455.85
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Solution
The fourth proportional to 6,317,064.99, 8,717,549.69 and 3,416,455.85 is: 4,714,709.07
Step by Step Solution
- Step 1: Write the proportion equation
6,317,064.99 : 8,717,549.69 = 3,416,455.85 : x - Step 2: Convert to fraction form
6,317,064.99/8,717,549.69 = 3,416,455.85/x - Step 3: Cross multiply
6,317,064.99x = 8,717,549.69 × 3,416,455.85 - Step 4: Simplify right side
6,317,064.99x = 29,783,123,601,019.58 - Step 5: Solve for x
x = 29,783,123,601,019.58/6,317,064.99 - Step 6: Final answer
x = 4,714,709.07
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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.