Finding the Fourth Proportional to 1,136,847.99, 1,568,795.11 and 646,771.37
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Solution
The fourth proportional to 1,136,847.99, 1,568,795.11 and 646,771.37 is: 892,513.12
Step by Step Solution
- Step 1: Write the proportion equation
1,136,847.99 : 1,568,795.11 = 646,771.37 : x - Step 2: Convert to fraction form
1,136,847.99/1,568,795.11 = 646,771.37/x - Step 3: Cross multiply
1,136,847.99x = 1,568,795.11 × 646,771.37 - Step 4: Simplify right side
1,136,847.99x = 1,014,651,753,083.10 - Step 5: Solve for x
x = 1,014,651,753,083.10/1,136,847.99 - Step 6: Final answer
x = 892,513.12
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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.