Finding the Fourth Proportional to 6,317,069.68, 8,717,556.17 and 3,416,460.53
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Solution
The fourth proportional to 6,317,069.68, 8,717,556.17 and 3,416,460.53 is: 4,714,715.54
Step by Step Solution
- Step 1: Write the proportion equation
6,317,069.68 : 8,717,556.17 = 3,416,460.53 : x - Step 2: Convert to fraction form
6,317,069.68/8,717,556.17 = 3,416,460.53/x - Step 3: Cross multiply
6,317,069.68x = 8,717,556.17 × 3,416,460.53 - Step 4: Simplify right side
6,317,069.68x = 29,783,186,577,574.55 - Step 5: Solve for x
x = 29,783,186,577,574.55/6,317,069.68 - Step 6: Final answer
x = 4,714,715.54
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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.