Finding the Fourth Proportional to 3,729,090.56, 5,146,198.11 and 2,201,197.68
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Solution
The fourth proportional to 3,729,090.56, 5,146,198.11 and 2,201,197.68 is: 3,037,684.17
Step by Step Solution
- Step 1: Write the proportion equation
3,729,090.56 : 5,146,198.11 = 2,201,197.68 : x - Step 2: Convert to fraction form
3,729,090.56/5,146,198.11 = 2,201,197.68/x - Step 3: Cross multiply
3,729,090.56x = 5,146,198.11 × 2,201,197.68 - Step 4: Simplify right side
3,729,090.56x = 11,327,799,340,552.39 - Step 5: Solve for x
x = 11,327,799,340,552.39/3,729,090.56 - Step 6: Final answer
x = 3,037,684.17
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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.