Finding the Fourth Proportional to 5,388,518.37, 7,436,225.61 and 3,183,453.75
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Solution
The fourth proportional to 5,388,518.37, 7,436,225.61 and 3,183,453.75 is: 4,393,207.68
Step by Step Solution
- Step 1: Write the proportion equation
5,388,518.37 : 7,436,225.61 = 3,183,453.75 : x - Step 2: Convert to fraction form
5,388,518.37/7,436,225.61 = 3,183,453.75/x - Step 3: Cross multiply
5,388,518.37x = 7,436,225.61 × 3,183,453.75 - Step 4: Simplify right side
5,388,518.37x = 23,672,880,304,000.54 - Step 5: Solve for x
x = 23,672,880,304,000.54/5,388,518.37 - Step 6: Final answer
x = 4,393,207.68
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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.