Finding the Fourth Proportional to 2,519,625.20, 3,476,932.96 and 1,431,745.79
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Solution
The fourth proportional to 2,519,625.20, 3,476,932.96 and 1,431,745.79 is: 1,975,724.06
Step by Step Solution
- Step 1: Write the proportion equation
2,519,625.20 : 3,476,932.96 = 1,431,745.79 : x - Step 2: Convert to fraction form
2,519,625.20/3,476,932.96 = 1,431,745.79/x - Step 3: Cross multiply
2,519,625.20x = 3,476,932.96 × 1,431,745.79 - Step 4: Simplify right side
2,519,625.20x = 4,978,084,127,592.24 - Step 5: Solve for x
x = 4,978,084,127,592.24/2,519,625.20 - Step 6: Final answer
x = 1,975,724.06
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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.