Finding the Fourth Proportional to 3,228,228.18, 4,454,811.12 and 1,850,584.26
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Solution
The fourth proportional to 3,228,228.18, 4,454,811.12 and 1,850,584.26 is: 2,553,723.86
Step by Step Solution
- Step 1: Write the proportion equation
3,228,228.18 : 4,454,811.12 = 1,850,584.26 : x - Step 2: Convert to fraction form
3,228,228.18/4,454,811.12 = 1,850,584.26/x - Step 3: Cross multiply
3,228,228.18x = 4,454,811.12 × 1,850,584.26 - Step 4: Simplify right side
3,228,228.18x = 8,244,003,339,944.97 - Step 5: Solve for x
x = 8,244,003,339,944.97/3,228,228.18 - Step 6: Final answer
x = 2,553,723.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.