Finding the Fourth Proportional to 3,721,069.26, 5,133,610.11 and 2,150,163.09
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Solution
The fourth proportional to 3,721,069.26, 5,133,610.11 and 2,150,163.09 is: 2,966,378.27
Step by Step Solution
- Step 1: Write the proportion equation
3,721,069.26 : 5,133,610.11 = 2,150,163.09 : x - Step 2: Convert to fraction form
3,721,069.26/5,133,610.11 = 2,150,163.09/x - Step 3: Cross multiply
3,721,069.26x = 5,133,610.11 × 2,150,163.09 - Step 4: Simplify right side
3,721,069.26x = 11,038,098,976,972.84 - Step 5: Solve for x
x = 11,038,098,976,972.84/3,721,069.26 - Step 6: Final answer
x = 2,966,378.27
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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.