Finding the Fourth Proportional to 7,259,735.51, 10,891,471.79 and 2,141,958.68
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Solution
The fourth proportional to 7,259,735.51, 10,891,471.79 and 2,141,958.68 is: 3,213,489.32
Step by Step Solution
- Step 1: Write the proportion equation
7,259,735.51 : 10,891,471.79 = 2,141,958.68 : x - Step 2: Convert to fraction form
7,259,735.51/10,891,471.79 = 2,141,958.68/x - Step 3: Cross multiply
7,259,735.51x = 10,891,471.79 × 2,141,958.68 - Step 4: Simplify right side
7,259,735.51x = 23,329,082,538,565.64 - Step 5: Solve for x
x = 23,329,082,538,565.64/7,259,735.51 - Step 6: Final answer
x = 3,213,489.32
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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.