Finding the Fourth Proportional to 3,173,872.74, 4,379,945.24 and 1,723,567.79
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Solution
The fourth proportional to 3,173,872.74, 4,379,945.24 and 1,723,567.79 is: 2,378,524.02
Step by Step Solution
- Step 1: Write the proportion equation
3,173,872.74 : 4,379,945.24 = 1,723,567.79 : x - Step 2: Convert to fraction form
3,173,872.74/4,379,945.24 = 1,723,567.79/x - Step 3: Cross multiply
3,173,872.74x = 4,379,945.24 × 1,723,567.79 - Step 4: Simplify right side
3,173,872.74x = 7,549,132,537,627.82 - Step 5: Solve for x
x = 7,549,132,537,627.82/3,173,872.74 - Step 6: Final answer
x = 2,378,524.02
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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.