Finding the Fourth Proportional to 4,689,339.08, 6,471,287.93 and 2,543,163.08
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Solution
The fourth proportional to 4,689,339.08, 6,471,287.93 and 2,543,163.08 is: 3,509,565.04
Step by Step Solution
- Step 1: Write the proportion equation
4,689,339.08 : 6,471,287.93 = 2,543,163.08 : x - Step 2: Convert to fraction form
4,689,339.08/6,471,287.93 = 2,543,163.08/x - Step 3: Cross multiply
4,689,339.08x = 6,471,287.93 × 2,543,163.08 - Step 4: Simplify right side
4,689,339.08x = 16,457,540,498,553.37 - Step 5: Solve for x
x = 16,457,540,498,553.37/4,689,339.08 - Step 6: Final answer
x = 3,509,565.04
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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.