Finding the Fourth Proportional to 4,278,163.44, 6,417,259.86 and 1,083,288.18
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Solution
The fourth proportional to 4,278,163.44, 6,417,259.86 and 1,083,288.18 is: 1,624,935.99
Step by Step Solution
- Step 1: Write the proportion equation
4,278,163.44 : 6,417,259.86 = 1,083,288.18 : x - Step 2: Convert to fraction form
4,278,163.44/6,417,259.86 = 1,083,288.18/x - Step 3: Cross multiply
4,278,163.44x = 6,417,259.86 × 1,083,288.18 - Step 4: Simplify right side
4,278,163.44x = 6,951,741,754,326.46 - Step 5: Solve for x
x = 6,951,741,754,326.46/4,278,163.44 - Step 6: Final answer
x = 1,624,935.99
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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.