Finding the Fourth Proportional to 3,284,379.10, 4,534,575.85 and 2,939,617.99
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Solution
The fourth proportional to 3,284,379.10, 4,534,575.85 and 2,939,617.99 is: 4,058,581.65
Step by Step Solution
- Step 1: Write the proportion equation
3,284,379.10 : 4,534,575.85 = 2,939,617.99 : x - Step 2: Convert to fraction form
3,284,379.10/4,534,575.85 = 2,939,617.99/x - Step 3: Cross multiply
3,284,379.10x = 4,534,575.85 × 2,939,617.99 - Step 4: Simplify right side
3,284,379.10x = 13,329,920,745,679.54 - Step 5: Solve for x
x = 13,329,920,745,679.54/3,284,379.10 - Step 6: Final answer
x = 4,058,581.65
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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.