Finding the Fourth Proportional to 7,321,801.98, 10,982,818.08 and 2,771,629.14
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Solution
The fourth proportional to 7,321,801.98, 10,982,818.08 and 2,771,629.14 is: 4,157,487.28
Step by Step Solution
- Step 1: Write the proportion equation
7,321,801.98 : 10,982,818.08 = 2,771,629.14 : x - Step 2: Convert to fraction form
7,321,801.98/10,982,818.08 = 2,771,629.14/x - Step 3: Cross multiply
7,321,801.98x = 10,982,818.08 × 2,771,629.14 - Step 4: Simplify right side
7,321,801.98x = 30,440,298,629,846.85 - Step 5: Solve for x
x = 30,440,298,629,846.85/7,321,801.98 - Step 6: Final answer
x = 4,157,487.28
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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.