Finding the Fourth Proportional to 5,351,441.28, 7,384,993.98 and 3,059,649.96
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Solution
The fourth proportional to 5,351,441.28, 7,384,993.98 and 3,059,649.96 is: 4,222,319.81
Step by Step Solution
- Step 1: Write the proportion equation
5,351,441.28 : 7,384,993.98 = 3,059,649.96 : x - Step 2: Convert to fraction form
5,351,441.28/7,384,993.98 = 3,059,649.96/x - Step 3: Cross multiply
5,351,441.28x = 7,384,993.98 × 3,059,649.96 - Step 4: Simplify right side
5,351,441.28x = 22,595,496,535,507.24 - Step 5: Solve for x
x = 22,595,496,535,507.24/5,351,441.28 - Step 6: Final answer
x = 4,222,319.81
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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.