Finding the Fourth Proportional to 3,779,845.12, 5,217,450.24 and 2,252,431.36
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Solution
The fourth proportional to 3,779,845.12, 5,217,450.24 and 2,252,431.36 is: 3,109,108.49
Step by Step Solution
- Step 1: Write the proportion equation
3,779,845.12 : 5,217,450.24 = 2,252,431.36 : x - Step 2: Convert to fraction form
3,779,845.12/5,217,450.24 = 2,252,431.36/x - Step 3: Cross multiply
3,779,845.12x = 5,217,450.24 × 2,252,431.36 - Step 4: Simplify right side
3,779,845.12x = 11,751,948,539,815.53 - Step 5: Solve for x
x = 11,751,948,539,815.53/3,779,845.12 - Step 6: Final answer
x = 3,109,108.49
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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.