Finding the Fourth Proportional to 3,758,946.08, 5,187,349.16 and 2,040,067.16
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Solution
The fourth proportional to 3,758,946.08, 5,187,349.16 and 2,040,067.16 is: 2,815,294.62
Step by Step Solution
- Step 1: Write the proportion equation
3,758,946.08 : 5,187,349.16 = 2,040,067.16 : x - Step 2: Convert to fraction form
3,758,946.08/5,187,349.16 = 2,040,067.16/x - Step 3: Cross multiply
3,758,946.08x = 5,187,349.16 × 2,040,067.16 - Step 4: Simplify right side
3,758,946.08x = 10,582,540,668,769.59 - Step 5: Solve for x
x = 10,582,540,668,769.59/3,758,946.08 - Step 6: Final answer
x = 2,815,294.62
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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.