Finding the Fourth Proportional to 3,195,474.43, 4,409,863.53 and 1,889,845.68
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Solution
The fourth proportional to 3,195,474.43, 4,409,863.53 and 1,889,845.68 is: 2,608,051.40
Step by Step Solution
- Step 1: Write the proportion equation
3,195,474.43 : 4,409,863.53 = 1,889,845.68 : x - Step 2: Convert to fraction form
3,195,474.43/4,409,863.53 = 1,889,845.68/x - Step 3: Cross multiply
3,195,474.43x = 4,409,863.53 × 1,889,845.68 - Step 4: Simplify right side
3,195,474.43x = 8,333,961,542,150.21 - Step 5: Solve for x
x = 8,333,961,542,150.21/3,195,474.43 - Step 6: Final answer
x = 2,608,051.40
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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.