Finding the Fourth Proportional to 2,540,477.12, 3,505,844.62 and 1,394,576.96
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Solution
The fourth proportional to 2,540,477.12, 3,505,844.62 and 1,394,576.96 is: 1,924,508.63
Step by Step Solution
- Step 1: Write the proportion equation
2,540,477.12 : 3,505,844.62 = 1,394,576.96 : x - Step 2: Convert to fraction form
2,540,477.12/3,505,844.62 = 1,394,576.96/x - Step 3: Cross multiply
2,540,477.12x = 3,505,844.62 × 1,394,576.96 - Step 4: Simplify right side
2,540,477.12x = 4,889,170,132,391.96 - Step 5: Solve for x
x = 4,889,170,132,391.96/2,540,477.12 - Step 6: Final answer
x = 1,924,508.63
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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.