Finding the Fourth Proportional to 2,259,720.00, 3,117,654.85 and 1,279,525.05
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Solution
The fourth proportional to 2,259,720.00, 3,117,654.85 and 1,279,525.05 is: 1,765,314.94
Step by Step Solution
- Step 1: Write the proportion equation
2,259,720.00 : 3,117,654.85 = 1,279,525.05 : x - Step 2: Convert to fraction form
2,259,720.00/3,117,654.85 = 1,279,525.05/x - Step 3: Cross multiply
2,259,720.00x = 3,117,654.85 × 1,279,525.05 - Step 4: Simplify right side
2,259,720.00x = 3,989,117,471,431.37 - Step 5: Solve for x
x = 3,989,117,471,431.37/2,259,720.00 - Step 6: Final answer
x = 1,765,314.94
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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.