Finding the Fourth Proportional to 6,317,125.86, 8,717,633.70 and 3,416,516.74
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Solution
The fourth proportional to 6,317,125.86, 8,717,633.70 and 3,416,516.74 is: 4,714,793.11
Step by Step Solution
- Step 1: Write the proportion equation
6,317,125.86 : 8,717,633.70 = 3,416,516.74 : x - Step 2: Convert to fraction form
6,317,125.86/8,717,633.70 = 3,416,516.74/x - Step 3: Cross multiply
6,317,125.86x = 8,717,633.70 × 3,416,516.74 - Step 4: Simplify right side
6,317,125.86x = 29,783,941,469,238.14 - Step 5: Solve for x
x = 29,783,941,469,238.14/6,317,125.86 - Step 6: Final answer
x = 4,714,793.11
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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.