Finding the Fourth Proportional to 4,245,821.28, 5,858,285.04 and 3,560,266.08
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Solution
The fourth proportional to 4,245,821.28, 5,858,285.04 and 3,560,266.08 is: 4,912,371.99
Step by Step Solution
- Step 1: Write the proportion equation
4,245,821.28 : 5,858,285.04 = 3,560,266.08 : x - Step 2: Convert to fraction form
4,245,821.28/5,858,285.04 = 3,560,266.08/x - Step 3: Cross multiply
4,245,821.28x = 5,858,285.04 × 3,560,266.08 - Step 4: Simplify right side
4,245,821.28x = 20,857,053,514,883.45 - Step 5: Solve for x
x = 20,857,053,514,883.45/4,245,821.28 - Step 6: Final answer
x = 4,912,371.99
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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.