Finding the Fourth Proportional to 2,248,857.60, 3,373,286.40 and 2,149,324.80
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Solution
The fourth proportional to 2,248,857.60, 3,373,286.40 and 2,149,324.80 is: 3,223,987.20
Step by Step Solution
- Step 1: Write the proportion equation
2,248,857.60 : 3,373,286.40 = 2,149,324.80 : x - Step 2: Convert to fraction form
2,248,857.60/3,373,286.40 = 2,149,324.80/x - Step 3: Cross multiply
2,248,857.60x = 3,373,286.40 × 2,149,324.80 - Step 4: Simplify right side
2,248,857.60x = 7,250,288,117,022.72 - Step 5: Solve for x
x = 7,250,288,117,022.72/2,248,857.60 - Step 6: Final answer
x = 3,223,987.20
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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.