Finding the Fourth Proportional to 3,440,451.26, 4,747,291.29 and 1,990,281.65
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Solution
The fourth proportional to 3,440,451.26, 4,747,291.29 and 1,990,281.65 is: 2,746,281.23
Step by Step Solution
- Step 1: Write the proportion equation
3,440,451.26 : 4,747,291.29 = 1,990,281.65 : x - Step 2: Convert to fraction form
3,440,451.26/4,747,291.29 = 1,990,281.65/x - Step 3: Cross multiply
3,440,451.26x = 4,747,291.29 × 1,990,281.65 - Step 4: Simplify right side
3,440,451.26x = 9,448,446,717,955.37 - Step 5: Solve for x
x = 9,448,446,717,955.37/3,440,451.26 - Step 6: Final answer
x = 2,746,281.23
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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.