Finding the Fourth Proportional to 4,412,121.14, 6,618,562.92 and 1,217,247.32
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Solution
The fourth proportional to 4,412,121.14, 6,618,562.92 and 1,217,247.32 is: 1,825,976.15
Step by Step Solution
- Step 1: Write the proportion equation
4,412,121.14 : 6,618,562.92 = 1,217,247.32 : x - Step 2: Convert to fraction form
4,412,121.14/6,618,562.92 = 1,217,247.32/x - Step 3: Cross multiply
4,412,121.14x = 6,618,562.92 × 1,217,247.32 - Step 4: Simplify right side
4,412,121.14x = 8,056,427,993,167.78 - Step 5: Solve for x
x = 8,056,427,993,167.78/4,412,121.14 - Step 6: Final answer
x = 1,825,976.15
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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.