Finding the Fourth Proportional to 3,021,246.79, 4,161,378.33 and 2,322,190.79
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Solution
The fourth proportional to 3,021,246.79, 4,161,378.33 and 2,322,190.79 is: 3,198,518.72
Step by Step Solution
- Step 1: Write the proportion equation
3,021,246.79 : 4,161,378.33 = 2,322,190.79 : x - Step 2: Convert to fraction form
3,021,246.79/4,161,378.33 = 2,322,190.79/x - Step 3: Cross multiply
3,021,246.79x = 4,161,378.33 × 2,322,190.79 - Step 4: Simplify right side
3,021,246.79x = 9,663,514,420,020.63 - Step 5: Solve for x
x = 9,663,514,420,020.63/3,021,246.79 - Step 6: Final answer
x = 3,198,518.72
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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.