Finding the Fourth Proportional to 4,825,107.20, 6,658,176.64 and 2,787,872.96
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Solution
The fourth proportional to 4,825,107.20, 6,658,176.64 and 2,787,872.96 is: 3,846,992.38
Step by Step Solution
- Step 1: Write the proportion equation
4,825,107.20 : 6,658,176.64 = 2,787,872.96 : x - Step 2: Convert to fraction form
4,825,107.20/6,658,176.64 = 2,787,872.96/x - Step 3: Cross multiply
4,825,107.20x = 6,658,176.64 × 2,787,872.96 - Step 4: Simplify right side
4,825,107.20x = 18,562,150,617,559.65 - Step 5: Solve for x
x = 18,562,150,617,559.65/4,825,107.20 - Step 6: Final answer
x = 3,846,992.38
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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.