Finding the Fourth Proportional to 5,672,900.36, 8,509,425.74 and 1,782,230.54
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Solution
The fourth proportional to 5,672,900.36, 8,509,425.74 and 1,782,230.54 is: 2,673,369.43
Step by Step Solution
- Step 1: Write the proportion equation
5,672,900.36 : 8,509,425.74 = 1,782,230.54 : x - Step 2: Convert to fraction form
5,672,900.36/8,509,425.74 = 1,782,230.54/x - Step 3: Cross multiply
5,672,900.36x = 8,509,425.74 × 1,782,230.54 - Step 4: Simplify right side
5,672,900.36x = 15,165,758,380,231.82 - Step 5: Solve for x
x = 15,165,758,380,231.82/5,672,900.36 - Step 6: Final answer
x = 2,673,369.43
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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.