Finding the Fourth Proportional to 5,209,757.39, 7,821,794.12 and 2,652,690.26
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Solution
The fourth proportional to 5,209,757.39, 7,821,794.12 and 2,652,690.26 is: 3,982,680.09
Step by Step Solution
- Step 1: Write the proportion equation
5,209,757.39 : 7,821,794.12 = 2,652,690.26 : x - Step 2: Convert to fraction form
5,209,757.39/7,821,794.12 = 2,652,690.26/x - Step 3: Cross multiply
5,209,757.39x = 7,821,794.12 × 2,652,690.26 - Step 4: Simplify right side
5,209,757.39x = 20,748,797,025,476.85 - Step 5: Solve for x
x = 20,748,797,025,476.85/5,209,757.39 - Step 6: Final answer
x = 3,982,680.09
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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.