Finding the Fourth Proportional to 1,661,558.20, 2,492,337.30 and 539,740.60
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Solution
The fourth proportional to 1,661,558.20, 2,492,337.30 and 539,740.60 is: 809,610.90
Step by Step Solution
- Step 1: Write the proportion equation
1,661,558.20 : 2,492,337.30 = 539,740.60 : x - Step 2: Convert to fraction form
1,661,558.20/2,492,337.30 = 539,740.60/x - Step 3: Cross multiply
1,661,558.20x = 2,492,337.30 × 539,740.60 - Step 4: Simplify right side
1,661,558.20x = 1,345,215,629,704.38 - Step 5: Solve for x
x = 1,345,215,629,704.38/1,661,558.20 - Step 6: Final answer
x = 809,610.90
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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.