Finding the Fourth Proportional to 5,509,857.28, 8,251,040.58 and 3,481,983.40
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Solution
The fourth proportional to 5,509,857.28, 8,251,040.58 and 3,481,983.40 is: 5,214,288.66
Step by Step Solution
- Step 1: Write the proportion equation
5,509,857.28 : 8,251,040.58 = 3,481,983.40 : x - Step 2: Convert to fraction form
5,509,857.28/8,251,040.58 = 3,481,983.40/x - Step 3: Cross multiply
5,509,857.28x = 8,251,040.58 × 3,481,983.40 - Step 4: Simplify right side
5,509,857.28x = 28,729,986,332,286.37 - Step 5: Solve for x
x = 28,729,986,332,286.37/5,509,857.28 - Step 6: Final answer
x = 5,214,288.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.