Finding the Fourth Proportional to 5,493,136.50, 7,580,619.50 and 3,045,850.70
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Solution
The fourth proportional to 5,493,136.50, 7,580,619.50 and 3,045,850.70 is: 4,203,324.49
Step by Step Solution
- Step 1: Write the proportion equation
5,493,136.50 : 7,580,619.50 = 3,045,850.70 : x - Step 2: Convert to fraction form
5,493,136.50/7,580,619.50 = 3,045,850.70/x - Step 3: Cross multiply
5,493,136.50x = 7,580,619.50 × 3,045,850.70 - Step 4: Simplify right side
5,493,136.50x = 23,089,435,157,376.30 - Step 5: Solve for x
x = 23,089,435,157,376.30/5,493,136.50 - Step 6: Final answer
x = 4,203,324.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.