Finding the Fourth Proportional to 4,086,220, 6,129,329.88 and 1,926,742.44
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Solution
The fourth proportional to 4,086,220, 6,129,329.88 and 1,926,742.44 is: 2,890,113.60
Step by Step Solution
- Step 1: Write the proportion equation
4,086,220 : 6,129,329.88 = 1,926,742.44 : x - Step 2: Convert to fraction form
4,086,220/6,129,329.88 = 1,926,742.44/x - Step 3: Cross multiply
4,086,220x = 6,129,329.88 × 1,926,742.44 - Step 4: Simplify right side
4,086,220x = 11,809,640,008,556.11 - Step 5: Solve for x
x = 11,809,640,008,556.11/4,086,220 - Step 6: Final answer
x = 2,890,113.60
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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.