Finding the Fourth Proportional to 3,440,452.26, 4,747,292.67 and 1,990,282.65
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Solution
The fourth proportional to 3,440,452.26, 4,747,292.67 and 1,990,282.65 is: 2,746,282.62
Step by Step Solution
- Step 1: Write the proportion equation
3,440,452.26 : 4,747,292.67 = 1,990,282.65 : x - Step 2: Convert to fraction form
3,440,452.26/4,747,292.67 = 1,990,282.65/x - Step 3: Cross multiply
3,440,452.26x = 4,747,292.67 × 1,990,282.65 - Step 4: Simplify right side
3,440,452.26x = 9,448,454,235,573.18 - Step 5: Solve for x
x = 9,448,454,235,573.18/3,440,452.26 - Step 6: Final answer
x = 2,746,282.62
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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.