Finding the Fourth Proportional to 4,812,846.75, 7,215,521.73 and 2,382,322.28
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Solution
The fourth proportional to 4,812,846.75, 7,215,521.73 and 2,382,322.28 is: 3,571,627.99
Step by Step Solution
- Step 1: Write the proportion equation
4,812,846.75 : 7,215,521.73 = 2,382,322.28 : x - Step 2: Convert to fraction form
4,812,846.75/7,215,521.73 = 2,382,322.28/x - Step 3: Cross multiply
4,812,846.75x = 7,215,521.73 × 2,382,322.28 - Step 4: Simplify right side
4,812,846.75x = 17,189,698,143,125.54 - Step 5: Solve for x
x = 17,189,698,143,125.54/4,812,846.75 - Step 6: Final answer
x = 3,571,627.99
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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.