Finding the Fourth Proportional to 5,334,901.76, 7,362,163.86 and 2,887,512.38
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Solution
The fourth proportional to 5,334,901.76, 7,362,163.86 and 2,887,512.38 is: 3,984,766.78
Step by Step Solution
- Step 1: Write the proportion equation
5,334,901.76 : 7,362,163.86 = 2,887,512.38 : x - Step 2: Convert to fraction form
5,334,901.76/7,362,163.86 = 2,887,512.38/x - Step 3: Cross multiply
5,334,901.76x = 7,362,163.86 × 2,887,512.38 - Step 4: Simplify right side
5,334,901.76x = 21,258,339,289,338.59 - Step 5: Solve for x
x = 21,258,339,289,338.59/5,334,901.76 - Step 6: Final answer
x = 3,984,766.78
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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.