Finding the Fourth Proportional to 3,173,370.23, 4,379,250.90 and 1,815,243.23
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Solution
The fourth proportional to 3,173,370.23, 4,379,250.90 and 1,815,243.23 is: 2,505,035.64
Step by Step Solution
- Step 1: Write the proportion equation
3,173,370.23 : 4,379,250.90 = 1,815,243.23 : x - Step 2: Convert to fraction form
3,173,370.23/4,379,250.90 = 1,815,243.23/x - Step 3: Cross multiply
3,173,370.23x = 4,379,250.90 × 1,815,243.23 - Step 4: Simplify right side
3,173,370.23x = 7,949,405,526,800.15 - Step 5: Solve for x
x = 7,949,405,526,800.15/3,173,370.23 - Step 6: Final answer
x = 2,505,035.64
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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.