Finding the Fourth Proportional to 3,887,556.75, 5,365,895.34 and 2,256,489.60
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Solution
The fourth proportional to 3,887,556.75, 5,365,895.34 and 2,256,489.60 is: 3,114,574.99
Step by Step Solution
- Step 1: Write the proportion equation
3,887,556.75 : 5,365,895.34 = 2,256,489.60 : x - Step 2: Convert to fraction form
3,887,556.75/5,365,895.34 = 2,256,489.60/x - Step 3: Cross multiply
3,887,556.75x = 5,365,895.34 × 2,256,489.60 - Step 4: Simplify right side
3,887,556.75x = 12,108,087,029,398.46 - Step 5: Solve for x
x = 12,108,087,029,398.46/3,887,556.75 - Step 6: Final answer
x = 3,114,574.99
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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.