Finding the Fourth Proportional to 1,379,450.37, 1,902,563.08 and 896,171.23
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Solution
The fourth proportional to 1,379,450.37, 1,902,563.08 and 896,171.23 is: 1,236,015.68
Step by Step Solution
- Step 1: Write the proportion equation
1,379,450.37 : 1,902,563.08 = 896,171.23 : x - Step 2: Convert to fraction form
1,379,450.37/1,902,563.08 = 896,171.23/x - Step 3: Cross multiply
1,379,450.37x = 1,902,563.08 × 896,171.23 - Step 4: Simplify right side
1,379,450.37x = 1,705,022,295,693.96 - Step 5: Solve for x
x = 1,705,022,295,693.96/1,379,450.37 - Step 6: Final answer
x = 1,236,015.68
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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.