Finding the Fourth Proportional to 4,498,974.90, 6,749,198.64 and 1,425,175.56
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Solution
The fourth proportional to 4,498,974.90, 6,749,198.64 and 1,425,175.56 is: 2,137,996.58
Step by Step Solution
- Step 1: Write the proportion equation
4,498,974.90 : 6,749,198.64 = 1,425,175.56 : x - Step 2: Convert to fraction form
4,498,974.90/6,749,198.64 = 1,425,175.56/x - Step 3: Cross multiply
4,498,974.90x = 6,749,198.64 × 1,425,175.56 - Step 4: Simplify right side
4,498,974.90x = 9,618,792,951,313.24 - Step 5: Solve for x
x = 9,618,792,951,313.24/4,498,974.90 - Step 6: Final answer
x = 2,137,996.58
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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.