Finding the Fourth Proportional to 1,694,836.09, 2,542,258.24 and 415,449.29
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Solution
The fourth proportional to 1,694,836.09, 2,542,258.24 and 415,449.29 is: 623,174.94
Step by Step Solution
- Step 1: Write the proportion equation
1,694,836.09 : 2,542,258.24 = 415,449.29 : x - Step 2: Convert to fraction form
1,694,836.09/2,542,258.24 = 415,449.29/x - Step 3: Cross multiply
1,694,836.09x = 2,542,258.24 × 415,449.29 - Step 4: Simplify right side
1,694,836.09x = 1,056,179,380,804.65 - Step 5: Solve for x
x = 1,056,179,380,804.65/1,694,836.09 - Step 6: Final answer
x = 623,174.94
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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.