Finding the Fourth Proportional to 3,887,452.14, 5,831,136.09 and 1,328,642.70
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Solution
The fourth proportional to 3,887,452.14, 5,831,136.09 and 1,328,642.70 is: 1,992,949.65
Step by Step Solution
- Step 1: Write the proportion equation
3,887,452.14 : 5,831,136.09 = 1,328,642.70 : x - Step 2: Convert to fraction form
3,887,452.14/5,831,136.09 = 1,328,642.70/x - Step 3: Cross multiply
3,887,452.14x = 5,831,136.09 × 1,328,642.70 - Step 4: Simplify right side
3,887,452.14x = 7,747,496,398,685.04 - Step 5: Solve for x
x = 7,747,496,398,685.04/3,887,452.14 - Step 6: Final answer
x = 1,992,949.65
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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.