Finding the Fourth Proportional to 3,705,584.12, 5,555,528.08 and 1,882,450.20
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Solution
The fourth proportional to 3,705,584.12, 5,555,528.08 and 1,882,450.20 is: 2,822,228.45
Step by Step Solution
- Step 1: Write the proportion equation
3,705,584.12 : 5,555,528.08 = 1,882,450.20 : x - Step 2: Convert to fraction form
3,705,584.12/5,555,528.08 = 1,882,450.20/x - Step 3: Cross multiply
3,705,584.12x = 5,555,528.08 × 1,882,450.20 - Step 4: Simplify right side
3,705,584.12x = 10,458,004,945,301.62 - Step 5: Solve for x
x = 10,458,004,945,301.62/3,705,584.12 - Step 6: Final answer
x = 2,822,228.45
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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.