Finding the Fourth Proportional to 2,664,207.80, 3,996,311.70 and 2,664,207.80
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Solution
The fourth proportional to 2,664,207.80, 3,996,311.70 and 2,664,207.80 is: 3,996,311.70
Step by Step Solution
- Step 1: Write the proportion equation
2,664,207.80 : 3,996,311.70 = 2,664,207.80 : x - Step 2: Convert to fraction form
2,664,207.80/3,996,311.70 = 2,664,207.80/x - Step 3: Cross multiply
2,664,207.80x = 3,996,311.70 × 2,664,207.80 - Step 4: Simplify right side
2,664,207.80x = 10,647,004,802,371.26 - Step 5: Solve for x
x = 10,647,004,802,371.26/2,664,207.80 - Step 6: Final answer
x = 3,996,311.70
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1.5x scale
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.