Finding the Fourth Proportional to 1,691,209.43, 2,536,544.08 and 492,851.44
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Solution
The fourth proportional to 1,691,209.43, 2,536,544.08 and 492,851.44 is: 739,198.45
Step by Step Solution
- Step 1: Write the proportion equation
1,691,209.43 : 2,536,544.08 = 492,851.44 : x - Step 2: Convert to fraction form
1,691,209.43/2,536,544.08 = 492,851.44/x - Step 3: Cross multiply
1,691,209.43x = 2,536,544.08 × 492,851.44 - Step 4: Simplify right side
1,691,209.43x = 1,250,139,393,356.30 - Step 5: Solve for x
x = 1,250,139,393,356.30/1,691,209.43 - Step 6: Final answer
x = 739,198.45
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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.