Finding the Fourth Proportional to 3,198,912.06, 4,798,368.09 and 1,068,996.18
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Solution
The fourth proportional to 3,198,912.06, 4,798,368.09 and 1,068,996.18 is: 1,603,494.26
Step by Step Solution
- Step 1: Write the proportion equation
3,198,912.06 : 4,798,368.09 = 1,068,996.18 : x - Step 2: Convert to fraction form
3,198,912.06/4,798,368.09 = 1,068,996.18/x - Step 3: Cross multiply
3,198,912.06x = 4,798,368.09 × 1,068,996.18 - Step 4: Simplify right side
3,198,912.06x = 5,129,437,136,196.17 - Step 5: Solve for x
x = 5,129,437,136,196.17/3,198,912.06 - Step 6: Final answer
x = 1,603,494.26
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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.