Finding the Fourth Proportional to 1,478,878.62, 2,040,853.84 and 799,815.12
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Solution
The fourth proportional to 1,478,878.62, 2,040,853.84 and 799,815.12 is: 1,103,745.59
Step by Step Solution
- Step 1: Write the proportion equation
1,478,878.62 : 2,040,853.84 = 799,815.12 : x - Step 2: Convert to fraction form
1,478,878.62/2,040,853.84 = 799,815.12/x - Step 3: Cross multiply
1,478,878.62x = 2,040,853.84 × 799,815.12 - Step 4: Simplify right side
1,478,878.62x = 1,632,305,758,942.06 - Step 5: Solve for x
x = 1,632,305,758,942.06/1,478,878.62 - Step 6: Final answer
x = 1,103,745.59
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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.