Finding the Fourth Proportional to 1,343,682.12, 1,854,491.92 and 792,458.41
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Solution
The fourth proportional to 1,343,682.12, 1,854,491.92 and 792,458.41 is: 1,093,716.81
Step by Step Solution
- Step 1: Write the proportion equation
1,343,682.12 : 1,854,491.92 = 792,458.41 : x - Step 2: Convert to fraction form
1,343,682.12/1,854,491.92 = 792,458.41/x - Step 3: Cross multiply
1,343,682.12x = 1,854,491.92 × 792,458.41 - Step 4: Simplify right side
1,343,682.12x = 1,469,607,718,281.05 - Step 5: Solve for x
x = 1,469,607,718,281.05/1,343,682.12 - Step 6: Final answer
x = 1,093,716.81
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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.