Finding the Fourth Proportional to 4,250,812.80, 6,388,660.80 and 3,703,382.40
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Solution
The fourth proportional to 4,250,812.80, 6,388,660.80 and 3,703,382.40 is: 5,565,912.94
Step by Step Solution
- Step 1: Write the proportion equation
4,250,812.80 : 6,388,660.80 = 3,703,382.40 : x - Step 2: Convert to fraction form
4,250,812.80/6,388,660.80 = 3,703,382.40/x - Step 3: Cross multiply
4,250,812.80x = 6,388,660.80 × 3,703,382.40 - Step 4: Simplify right side
4,250,812.80x = 23,659,653,966,289.92 - Step 5: Solve for x
x = 23,659,653,966,289.92/4,250,812.80 - Step 6: Final answer
x = 5,565,912.94
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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.