Finding the Fourth Proportional to 3,765,997.29, 5,197,317.75 and 2,112,299.67
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Solution
The fourth proportional to 3,765,997.29, 5,197,317.75 and 2,112,299.67 is: 2,915,108.99
Step by Step Solution
- Step 1: Write the proportion equation
3,765,997.29 : 5,197,317.75 = 2,112,299.67 : x - Step 2: Convert to fraction form
3,765,997.29/5,197,317.75 = 2,112,299.67/x - Step 3: Cross multiply
3,765,997.29x = 5,197,317.75 × 2,112,299.67 - Step 4: Simplify right side
3,765,997.29x = 10,978,292,568,210.14 - Step 5: Solve for x
x = 10,978,292,568,210.14/3,765,997.29 - Step 6: Final answer
x = 2,915,108.99
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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.