Finding the Fourth Proportional to 5,729,980.39, 7,908,496.20 and 3,284,230.69
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Solution
The fourth proportional to 5,729,980.39, 7,908,496.20 and 3,284,230.69 is: 4,532,882.17
Step by Step Solution
- Step 1: Write the proportion equation
5,729,980.39 : 7,908,496.20 = 3,284,230.69 : x - Step 2: Convert to fraction form
5,729,980.39/7,908,496.20 = 3,284,230.69/x - Step 3: Cross multiply
5,729,980.39x = 7,908,496.20 × 3,284,230.69 - Step 4: Simplify right side
5,729,980.39x = 25,973,325,931,788.38 - Step 5: Solve for x
x = 25,973,325,931,788.38/5,729,980.39 - Step 6: Final answer
x = 4,532,882.17
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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.