Finding the Fourth Proportional to 4,151,251.20, 6,228,043.20 and 2,021,404.80
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Solution
The fourth proportional to 4,151,251.20, 6,228,043.20 and 2,021,404.80 is: 3,032,675.17
Step by Step Solution
- Step 1: Write the proportion equation
4,151,251.20 : 6,228,043.20 = 2,021,404.80 : x - Step 2: Convert to fraction form
4,151,251.20/6,228,043.20 = 2,021,404.80/x - Step 3: Cross multiply
4,151,251.20x = 6,228,043.20 × 2,021,404.80 - Step 4: Simplify right side
4,151,251.20x = 12,589,396,419,087.36 - Step 5: Solve for x
x = 12,589,396,419,087.36/4,151,251.20 - Step 6: Final answer
x = 3,032,675.17
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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.