Finding the Fourth Proportional to 1,295,136.20, 1,942,704.30 and 1,089,849.80
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Solution
The fourth proportional to 1,295,136.20, 1,942,704.30 and 1,089,849.80 is: 1,634,774.70
Step by Step Solution
- Step 1: Write the proportion equation
1,295,136.20 : 1,942,704.30 = 1,089,849.80 : x - Step 2: Convert to fraction form
1,295,136.20/1,942,704.30 = 1,089,849.80/x - Step 3: Cross multiply
1,295,136.20x = 1,942,704.30 × 1,089,849.80 - Step 4: Simplify right side
1,295,136.20x = 2,117,255,892,814.14 - Step 5: Solve for x
x = 2,117,255,892,814.14/1,295,136.20 - Step 6: Final answer
x = 1,634,774.70
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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.