Finding the Fourth Proportional to 2,265,505.12, 3,397,738.62 and 646,243.26
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Solution
The fourth proportional to 2,265,505.12, 3,397,738.62 and 646,243.26 is: 969,216.83
Step by Step Solution
- Step 1: Write the proportion equation
2,265,505.12 : 3,397,738.62 = 646,243.26 : x - Step 2: Convert to fraction form
2,265,505.12/3,397,738.62 = 646,243.26/x - Step 3: Cross multiply
2,265,505.12x = 3,397,738.62 × 646,243.26 - Step 4: Simplify right side
2,265,505.12x = 2,195,765,685,758.20 - Step 5: Solve for x
x = 2,195,765,685,758.20/2,265,505.12 - Step 6: Final answer
x = 969,216.83
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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.