Finding the Fourth Proportional to 3,173,873.05, 4,379,945.67 and 1,723,568.11
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Solution
The fourth proportional to 3,173,873.05, 4,379,945.67 and 1,723,568.11 is: 2,378,524.45
Step by Step Solution
- Step 1: Write the proportion equation
3,173,873.05 : 4,379,945.67 = 1,723,568.11 : x - Step 2: Convert to fraction form
3,173,873.05/4,379,945.67 = 1,723,568.11/x - Step 3: Cross multiply
3,173,873.05x = 4,379,945.67 × 1,723,568.11 - Step 4: Simplify right side
3,173,873.05x = 7,549,134,669,394.72 - Step 5: Solve for x
x = 7,549,134,669,394.72/3,173,873.05 - Step 6: Final answer
x = 2,378,524.45
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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.