Finding the Fourth Proportional to 2,586,136.70, 3,568,613.19 and 1,440,323.66
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Solution
The fourth proportional to 2,586,136.70, 3,568,613.19 and 1,440,323.66 is: 1,987,504.37
Step by Step Solution
- Step 1: Write the proportion equation
2,586,136.70 : 3,568,613.19 = 1,440,323.66 : x - Step 2: Convert to fraction form
2,586,136.70/3,568,613.19 = 1,440,323.66/x - Step 3: Cross multiply
2,586,136.70x = 3,568,613.19 × 1,440,323.66 - Step 4: Simplify right side
2,586,136.70x = 5,139,957,993,102.01 - Step 5: Solve for x
x = 5,139,957,993,102.01/2,586,136.70 - Step 6: Final answer
x = 1,987,504.37
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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.