Finding the Fourth Proportional to 3,020,974.97, 4,531,339.53 and 746,442.09
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Solution
The fourth proportional to 3,020,974.97, 4,531,339.53 and 746,442.09 is: 1,119,632.76
Step by Step Solution
- Step 1: Write the proportion equation
3,020,974.97 : 4,531,339.53 = 746,442.09 : x - Step 2: Convert to fraction form
3,020,974.97/4,531,339.53 = 746,442.09/x - Step 3: Cross multiply
3,020,974.97x = 4,531,339.53 × 746,442.09 - Step 4: Simplify right side
3,020,974.97x = 3,382,382,549,272.82 - Step 5: Solve for x
x = 3,382,382,549,272.82/3,020,974.97 - Step 6: Final answer
x = 1,119,632.76
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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.