Finding the Fourth Proportional to 1,698,768.12, 2,548,157.47 and 419,375.73
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Solution
The fourth proportional to 1,698,768.12, 2,548,157.47 and 419,375.73 is: 629,064.90
Step by Step Solution
- Step 1: Write the proportion equation
1,698,768.12 : 2,548,157.47 = 419,375.73 : x - Step 2: Convert to fraction form
1,698,768.12/2,548,157.47 = 419,375.73/x - Step 3: Cross multiply
1,698,768.12x = 2,548,157.47 × 419,375.73 - Step 4: Simplify right side
1,698,768.12x = 1,068,635,399,136.20 - Step 5: Solve for x
x = 1,068,635,399,136.20/1,698,768.12 - Step 6: Final answer
x = 629,064.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.