Finding the Fourth Proportional to 1,926,738.22, 2,890,512.87 and 728,633.74
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Solution
The fourth proportional to 1,926,738.22, 2,890,512.87 and 728,633.74 is: 1,093,103.97
Step by Step Solution
- Step 1: Write the proportion equation
1,926,738.22 : 2,890,512.87 = 728,633.74 : x - Step 2: Convert to fraction form
1,926,738.22/2,890,512.87 = 728,633.74/x - Step 3: Cross multiply
1,926,738.22x = 2,890,512.87 × 728,633.74 - Step 4: Simplify right side
1,926,738.22x = 2,106,125,202,986.23 - Step 5: Solve for x
x = 2,106,125,202,986.23/1,926,738.22 - Step 6: Final answer
x = 1,093,103.97
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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.