Finding the Fourth Proportional to 5,170,369.10, 7,756,716.58 and 1,576,499.34
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Solution
The fourth proportional to 5,170,369.10, 7,756,716.58 and 1,576,499.34 is: 2,365,103.60
Step by Step Solution
- Step 1: Write the proportion equation
5,170,369.10 : 7,756,716.58 = 1,576,499.34 : x - Step 2: Convert to fraction form
5,170,369.10/7,756,716.58 = 1,576,499.34/x - Step 3: Cross multiply
5,170,369.10x = 7,756,716.58 × 1,576,499.34 - Step 4: Simplify right side
5,170,369.10x = 12,228,458,568,937.06 - Step 5: Solve for x
x = 12,228,458,568,937.06/5,170,369.10 - Step 6: Final answer
x = 2,365,103.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.