Finding the Fourth Proportional to 2,246,197.20, 3,366,999.45 and 1,107,207.60
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Solution
The fourth proportional to 2,246,197.20, 3,366,999.45 and 1,107,207.60 is: 1,659,679.47
Step by Step Solution
- Step 1: Write the proportion equation
2,246,197.20 : 3,366,999.45 = 1,107,207.60 : x - Step 2: Convert to fraction form
2,246,197.20/3,366,999.45 = 1,107,207.60/x - Step 3: Cross multiply
2,246,197.20x = 3,366,999.45 × 1,107,207.60 - Step 4: Simplify right side
2,246,197.20x = 3,727,967,380,235.82 - Step 5: Solve for x
x = 3,727,967,380,235.82/2,246,197.20 - Step 6: Final answer
x = 1,659,679.47
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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.