Finding the Fourth Proportional to 1,694,932.97, 2,542,403.70 and 415,546.20
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Solution
The fourth proportional to 1,694,932.97, 2,542,403.70 and 415,546.20 is: 623,320.34
Step by Step Solution
- Step 1: Write the proportion equation
1,694,932.97 : 2,542,403.70 = 415,546.20 : x - Step 2: Convert to fraction form
1,694,932.97/2,542,403.70 = 415,546.20/x - Step 3: Cross multiply
1,694,932.97x = 2,542,403.70 × 415,546.20 - Step 4: Simplify right side
1,694,932.97x = 1,056,486,196,400.94 - Step 5: Solve for x
x = 1,056,486,196,400.94/1,694,932.97 - Step 6: Final answer
x = 623,320.34
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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.