Finding the Fourth Proportional to 1,540,821.44, 2,127,014.48 and 920,845.33
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Solution
The fourth proportional to 1,540,821.44, 2,127,014.48 and 920,845.33 is: 1,271,173.48
Step by Step Solution
- Step 1: Write the proportion equation
1,540,821.44 : 2,127,014.48 = 920,845.33 : x - Step 2: Convert to fraction form
1,540,821.44/2,127,014.48 = 920,845.33/x - Step 3: Cross multiply
1,540,821.44x = 2,127,014.48 × 920,845.33 - Step 4: Simplify right side
1,540,821.44x = 1,958,651,347,734.96 - Step 5: Solve for x
x = 1,958,651,347,734.96/1,540,821.44 - Step 6: Final answer
x = 1,271,173.48
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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.