Finding the Fourth Proportional to 2,151,107.14, 3,228,655.74 and 1,086,896.56
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Solution
The fourth proportional to 2,151,107.14, 3,228,655.74 and 1,086,896.56 is: 1,631,352.87
Step by Step Solution
- Step 1: Write the proportion equation
2,151,107.14 : 3,228,655.74 = 1,086,896.56 : x - Step 2: Convert to fraction form
2,151,107.14/3,228,655.74 = 1,086,896.56/x - Step 3: Cross multiply
2,151,107.14x = 3,228,655.74 × 1,086,896.56 - Step 4: Simplify right side
2,151,107.14x = 3,509,214,817,230.26 - Step 5: Solve for x
x = 3,509,214,817,230.26/2,151,107.14 - Step 6: Final answer
x = 1,631,352.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.