Finding the Fourth Proportional to 3,238,479.12, 4,469,171.02 and 1,788,266.68
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Solution
The fourth proportional to 3,238,479.12, 4,469,171.02 and 1,788,266.68 is: 2,467,846.58
Step by Step Solution
- Step 1: Write the proportion equation
3,238,479.12 : 4,469,171.02 = 1,788,266.68 : x - Step 2: Convert to fraction form
3,238,479.12/4,469,171.02 = 1,788,266.68/x - Step 3: Cross multiply
3,238,479.12x = 4,469,171.02 × 1,788,266.68 - Step 4: Simplify right side
3,238,479.12x = 7,992,069,622,287.61 - Step 5: Solve for x
x = 7,992,069,622,287.61/3,238,479.12 - Step 6: Final answer
x = 2,467,846.58
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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.