Finding the Fourth Proportional to 5,052,744.12, 7,578,805.14 and 1,686,669.24
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Solution
The fourth proportional to 5,052,744.12, 7,578,805.14 and 1,686,669.24 is: 2,529,900.03
Step by Step Solution
- Step 1: Write the proportion equation
5,052,744.12 : 7,578,805.14 = 1,686,669.24 : x - Step 2: Convert to fraction form
5,052,744.12/7,578,805.14 = 1,686,669.24/x - Step 3: Cross multiply
5,052,744.12x = 7,578,805.14 × 1,686,669.24 - Step 4: Simplify right side
5,052,744.12x = 12,782,937,505,591.89 - Step 5: Solve for x
x = 12,782,937,505,591.89/5,052,744.12 - Step 6: Final answer
x = 2,529,900.03
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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.