Finding the Fourth Proportional to 4,431,380.91, 6,115,299.74 and 2,394,190.41
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Solution
The fourth proportional to 4,431,380.91, 6,115,299.74 and 2,394,190.41 is: 3,303,979.57
Step by Step Solution
- Step 1: Write the proportion equation
4,431,380.91 : 6,115,299.74 = 2,394,190.41 : x - Step 2: Convert to fraction form
4,431,380.91/6,115,299.74 = 2,394,190.41/x - Step 3: Cross multiply
4,431,380.91x = 6,115,299.74 × 2,394,190.41 - Step 4: Simplify right side
4,431,380.91x = 14,641,191,976,324.00 - Step 5: Solve for x
x = 14,641,191,976,324.00/4,431,380.91 - Step 6: Final answer
x = 3,303,979.57
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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.