Finding the Fourth Proportional to 3,927,183.36, 5,419,545.54 and 2,208,288.84
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Solution
The fourth proportional to 3,927,183.36, 5,419,545.54 and 2,208,288.84 is: 3,047,456.88
Step by Step Solution
- Step 1: Write the proportion equation
3,927,183.36 : 5,419,545.54 = 2,208,288.84 : x - Step 2: Convert to fraction form
3,927,183.36/5,419,545.54 = 2,208,288.84/x - Step 3: Cross multiply
3,927,183.36x = 5,419,545.54 × 2,208,288.84 - Step 4: Simplify right side
3,927,183.36x = 11,967,921,933,853.77 - Step 5: Solve for x
x = 11,967,921,933,853.77/3,927,183.36 - Step 6: Final answer
x = 3,047,456.88
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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.