Finding the Fourth Proportional to 4,283,338.36, 6,422,940.84 and 2,486,674.12
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Solution
The fourth proportional to 4,283,338.36, 6,422,940.84 and 2,486,674.12 is: 3,728,811.37
Step by Step Solution
- Step 1: Write the proportion equation
4,283,338.36 : 6,422,940.84 = 2,486,674.12 : x - Step 2: Convert to fraction form
4,283,338.36/6,422,940.84 = 2,486,674.12/x - Step 3: Cross multiply
4,283,338.36x = 6,422,940.84 × 2,486,674.12 - Step 4: Simplify right side
4,283,338.36x = 15,971,760,761,119.06 - Step 5: Solve for x
x = 15,971,760,761,119.06/4,283,338.36 - Step 6: Final answer
x = 3,728,811.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.