Finding the Fourth Proportional to 4,857,993.14, 7,286,489.00 and 1,619,180.87
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Solution
The fourth proportional to 4,857,993.14, 7,286,489.00 and 1,619,180.87 is: 2,428,604.41
Step by Step Solution
- Step 1: Write the proportion equation
4,857,993.14 : 7,286,489.00 = 1,619,180.87 : x - Step 2: Convert to fraction form
4,857,993.14/7,286,489.00 = 1,619,180.87/x - Step 3: Cross multiply
4,857,993.14x = 7,286,489.00 × 1,619,180.87 - Step 4: Simplify right side
4,857,993.14x = 11,798,143,553,737.08 - Step 5: Solve for x
x = 11,798,143,553,737.08/4,857,993.14 - Step 6: Final answer
x = 2,428,604.41
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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.