Finding the Fourth Proportional to 6,351,834.89, 8,765,405.91 and 3,451,246.53
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Solution
The fourth proportional to 6,351,834.89, 8,765,405.91 and 3,451,246.53 is: 4,762,651.62
Step by Step Solution
- Step 1: Write the proportion equation
6,351,834.89 : 8,765,405.91 = 3,451,246.53 : x - Step 2: Convert to fraction form
6,351,834.89/8,765,405.91 = 3,451,246.53/x - Step 3: Cross multiply
6,351,834.89x = 8,765,405.91 × 3,451,246.53 - Step 4: Simplify right side
6,351,834.89x = 30,251,576,730,928.99 - Step 5: Solve for x
x = 30,251,576,730,928.99/6,351,834.89 - Step 6: Final answer
x = 4,762,651.62
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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.