Finding the Fourth Proportional to 4,782,379.38, 6,599,629.88 and 2,606,874.90
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Solution
The fourth proportional to 4,782,379.38, 6,599,629.88 and 2,606,874.90 is: 3,597,458.11
Step by Step Solution
- Step 1: Write the proportion equation
4,782,379.38 : 6,599,629.88 = 2,606,874.90 : x - Step 2: Convert to fraction form
4,782,379.38/6,599,629.88 = 2,606,874.90/x - Step 3: Cross multiply
4,782,379.38x = 6,599,629.88 × 2,606,874.90 - Step 4: Simplify right side
4,782,379.38x = 17,204,409,483,462.01 - Step 5: Solve for x
x = 17,204,409,483,462.01/4,782,379.38 - Step 6: Final answer
x = 3,597,458.11
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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.