Finding the Fourth Proportional to 2,305,259.37, 3,181,128.53 and 1,286,729.73
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Solution
The fourth proportional to 2,305,259.37, 3,181,128.53 and 1,286,729.73 is: 1,775,614.80
Step by Step Solution
- Step 1: Write the proportion equation
2,305,259.37 : 3,181,128.53 = 1,286,729.73 : x - Step 2: Convert to fraction form
2,305,259.37/3,181,128.53 = 1,286,729.73/x - Step 3: Cross multiply
2,305,259.37x = 3,181,128.53 × 1,286,729.73 - Step 4: Simplify right side
2,305,259.37x = 4,093,252,648,068.55 - Step 5: Solve for x
x = 4,093,252,648,068.55/2,305,259.37 - Step 6: Final answer
x = 1,775,614.80
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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.