Finding the Fourth Proportional to 2,556,398.07, 3,529,107.73 and 1,589,839.75
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Solution
The fourth proportional to 2,556,398.07, 3,529,107.73 and 1,589,839.75 is: 2,194,773.90
Step by Step Solution
- Step 1: Write the proportion equation
2,556,398.07 : 3,529,107.73 = 1,589,839.75 : x - Step 2: Convert to fraction form
2,556,398.07/3,529,107.73 = 1,589,839.75/x - Step 3: Cross multiply
2,556,398.07x = 3,529,107.73 × 1,589,839.75 - Step 4: Simplify right side
2,556,398.07x = 5,610,715,757,584.95 - Step 5: Solve for x
x = 5,610,715,757,584.95/2,556,398.07 - Step 6: Final answer
x = 2,194,773.90
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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.