Finding the Fourth Proportional to 3,901,067.08, 5,384,554.68 and 2,269,789.54
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Solution
The fourth proportional to 3,901,067.08, 5,384,554.68 and 2,269,789.54 is: 3,132,939.18
Step by Step Solution
- Step 1: Write the proportion equation
3,901,067.08 : 5,384,554.68 = 2,269,789.54 : x - Step 2: Convert to fraction form
3,901,067.08/5,384,554.68 = 2,269,789.54/x - Step 3: Cross multiply
3,901,067.08x = 5,384,554.68 × 2,269,789.54 - Step 4: Simplify right side
3,901,067.08x = 12,221,805,890,222.05 - Step 5: Solve for x
x = 12,221,805,890,222.05/3,901,067.08 - Step 6: Final answer
x = 3,132,939.18
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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.