Finding the Fourth Proportional to 4,412,105.45, 6,618,539.58 and 1,217,231.63
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Solution
The fourth proportional to 4,412,105.45, 6,618,539.58 and 1,217,231.63 is: 1,825,952.66
Step by Step Solution
- Step 1: Write the proportion equation
4,412,105.45 : 6,618,539.58 = 1,217,231.63 : x - Step 2: Convert to fraction form
4,412,105.45/6,618,539.58 = 1,217,231.63/x - Step 3: Cross multiply
4,412,105.45x = 6,618,539.58 × 1,217,231.63 - Step 4: Simplify right side
4,412,105.45x = 8,056,295,682,004.06 - Step 5: Solve for x
x = 8,056,295,682,004.06/4,412,105.45 - Step 6: Final answer
x = 1,825,952.66
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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.