Finding the Fourth Proportional to 2,193,790.91, 3,291,465.74 and 979,257.47
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Solution
The fourth proportional to 2,193,790.91, 3,291,465.74 and 979,257.47 is: 1,469,234.09
Step by Step Solution
- Step 1: Write the proportion equation
2,193,790.91 : 3,291,465.74 = 979,257.47 : x - Step 2: Convert to fraction form
2,193,790.91/3,291,465.74 = 979,257.47/x - Step 3: Cross multiply
2,193,790.91x = 3,291,465.74 × 979,257.47 - Step 4: Simplify right side
2,193,790.91x = 3,223,192,391,790.46 - Step 5: Solve for x
x = 3,223,192,391,790.46/2,193,790.91 - Step 6: Final answer
x = 1,469,234.09
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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.