Finding the Fourth Proportional to 5,085,845.70, 7,018,596.99 and 2,794,064.10
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Solution
The fourth proportional to 5,085,845.70, 7,018,596.99 and 2,794,064.10 is: 3,855,879.84
Step by Step Solution
- Step 1: Write the proportion equation
5,085,845.70 : 7,018,596.99 = 2,794,064.10 : x - Step 2: Convert to fraction form
5,085,845.70/7,018,596.99 = 2,794,064.10/x - Step 3: Cross multiply
5,085,845.70x = 7,018,596.99 × 2,794,064.10 - Step 4: Simplify right side
5,085,845.70x = 19,610,409,882,127.06 - Step 5: Solve for x
x = 19,610,409,882,127.06/5,085,845.70 - Step 6: Final answer
x = 3,855,879.84
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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.