Finding the Fourth Proportional to 3,018,578.07, 4,167,975.90 and 2,319,751.97
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Solution
The fourth proportional to 3,018,578.07, 4,167,975.90 and 2,319,751.97 is: 3,203,054.57
Step by Step Solution
- Step 1: Write the proportion equation
3,018,578.07 : 4,167,975.90 = 2,319,751.97 : x - Step 2: Convert to fraction form
3,018,578.07/4,167,975.90 = 2,319,751.97/x - Step 3: Cross multiply
3,018,578.07x = 4,167,975.90 × 2,319,751.97 - Step 4: Simplify right side
3,018,578.07x = 9,668,670,289,387.42 - Step 5: Solve for x
x = 9,668,670,289,387.42/3,018,578.07 - Step 6: Final answer
x = 3,203,054.57
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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.