Finding the Fourth Proportional to 6,317,138.99, 8,717,651.85 and 3,416,529.89
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Solution
The fourth proportional to 6,317,138.99, 8,717,651.85 and 3,416,529.89 is: 4,714,811.27
Step by Step Solution
- Step 1: Write the proportion equation
6,317,138.99 : 8,717,651.85 = 3,416,529.89 : x - Step 2: Convert to fraction form
6,317,138.99/8,717,651.85 = 3,416,529.89/x - Step 3: Cross multiply
6,317,138.99x = 8,717,651.85 × 3,416,529.89 - Step 4: Simplify right side
6,317,138.99x = 29,784,118,072,550.54 - Step 5: Solve for x
x = 29,784,118,072,550.54/6,317,138.99 - Step 6: Final answer
x = 4,714,811.27
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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.