Finding the Fourth Proportional to 1,660,029.20, 2,489,703.60 and 461,650.40
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Solution
The fourth proportional to 1,660,029.20, 2,489,703.60 and 461,650.40 is: 692,380.99
Step by Step Solution
- Step 1: Write the proportion equation
1,660,029.20 : 2,489,703.60 = 461,650.40 : x - Step 2: Convert to fraction form
1,660,029.20/2,489,703.60 = 461,650.40/x - Step 3: Cross multiply
1,660,029.20x = 2,489,703.60 × 461,650.40 - Step 4: Simplify right side
1,660,029.20x = 1,149,372,662,821.44 - Step 5: Solve for x
x = 1,149,372,662,821.44/1,660,029.20 - Step 6: Final answer
x = 692,380.99
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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.