Finding the Fourth Proportional to 1,478,907.13, 2,040,891.84 and 799,843.63
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Solution
The fourth proportional to 1,478,907.13, 2,040,891.84 and 799,843.63 is: 1,103,784.21
Step by Step Solution
- Step 1: Write the proportion equation
1,478,907.13 : 2,040,891.84 = 799,843.63 : x - Step 2: Convert to fraction form
1,478,907.13/2,040,891.84 = 799,843.63/x - Step 3: Cross multiply
1,478,907.13x = 2,040,891.84 × 799,843.63 - Step 4: Simplify right side
1,478,907.13x = 1,632,394,329,538.13 - Step 5: Solve for x
x = 1,632,394,329,538.13/1,478,907.13 - Step 6: Final answer
x = 1,103,784.21
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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.