Finding the Fourth Proportional to 1,694,842.09, 2,542,267.23 and 415,455.28
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Solution
The fourth proportional to 1,694,842.09, 2,542,267.23 and 415,455.28 is: 623,183.92
Step by Step Solution
- Step 1: Write the proportion equation
1,694,842.09 : 2,542,267.23 = 415,455.28 : x - Step 2: Convert to fraction form
1,694,842.09/2,542,267.23 = 415,455.28/x - Step 3: Cross multiply
1,694,842.09x = 2,542,267.23 × 415,455.28 - Step 4: Simplify right side
1,694,842.09x = 1,056,198,343,874.47 - Step 5: Solve for x
x = 1,056,198,343,874.47/1,694,842.09 - Step 6: Final answer
x = 623,183.92
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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.