Finding the Fourth Proportional to 5,449,560.75, 8,174,352.60 and 5,116,621.28
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Solution
The fourth proportional to 5,449,560.75, 8,174,352.60 and 5,116,621.28 is: 7,674,942.69
Step by Step Solution
- Step 1: Write the proportion equation
5,449,560.75 : 8,174,352.60 = 5,116,621.28 : x - Step 2: Convert to fraction form
5,449,560.75/8,174,352.60 = 5,116,621.28/x - Step 3: Cross multiply
5,449,560.75x = 8,174,352.60 × 5,116,621.28 - Step 4: Simplify right side
5,449,560.75x = 41,825,066,422,511.56 - Step 5: Solve for x
x = 41,825,066,422,511.56/5,449,560.75 - Step 6: Final answer
x = 7,674,942.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.