Finding the Fourth Proportional to 5,085,519.65, 7,019,858.68 and 3,367,193.75
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Solution
The fourth proportional to 5,085,519.65, 7,019,858.68 and 3,367,193.75 is: 4,647,946.70
Step by Step Solution
- Step 1: Write the proportion equation
5,085,519.65 : 7,019,858.68 = 3,367,193.75 : x - Step 2: Convert to fraction form
5,085,519.65/7,019,858.68 = 3,367,193.75/x - Step 3: Cross multiply
5,085,519.65x = 7,019,858.68 × 3,367,193.75 - Step 4: Simplify right side
5,085,519.65x = 23,637,224,229,661.97 - Step 5: Solve for x
x = 23,637,224,229,661.97/5,085,519.65 - Step 6: Final answer
x = 4,647,946.70
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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.