Finding the Fourth Proportional to 3,618,789.24, 4,993,735.14 and 1,986,879
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Solution
The fourth proportional to 3,618,789.24, 4,993,735.14 and 1,986,879 is: 2,741,786.50
Step by Step Solution
- Step 1: Write the proportion equation
3,618,789.24 : 4,993,735.14 = 1,986,879 : x - Step 2: Convert to fraction form
3,618,789.24/4,993,735.14 = 1,986,879/x - Step 3: Cross multiply
3,618,789.24x = 4,993,735.14 × 1,986,879 - Step 4: Simplify right side
3,618,789.24x = 9,921,947,481,228.06 - Step 5: Solve for x
x = 9,921,947,481,228.06/3,618,789.24 - Step 6: Final answer
x = 2,741,786.50
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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.