Finding the Fourth Proportional to 5,388,519.87, 7,436,227.68 and 3,183,455.25
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Solution
The fourth proportional to 5,388,519.87, 7,436,227.68 and 3,183,455.25 is: 4,393,209.75
Step by Step Solution
- Step 1: Write the proportion equation
5,388,519.87 : 7,436,227.68 = 3,183,455.25 : x - Step 2: Convert to fraction form
5,388,519.87/7,436,227.68 = 3,183,455.25/x - Step 3: Cross multiply
5,388,519.87x = 7,436,227.68 × 3,183,455.25 - Step 4: Simplify right side
5,388,519.87x = 23,672,898,048,091.32 - Step 5: Solve for x
x = 23,672,898,048,091.32/5,388,519.87 - Step 6: Final answer
x = 4,393,209.75
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1.5x scale
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.