Finding the Fourth Proportional to 5,243,591.98, 7,236,293.79 and 2,951,836.30
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Solution
The fourth proportional to 5,243,591.98, 7,236,293.79 and 2,951,836.30 is: 4,073,611.14
Step by Step Solution
- Step 1: Write the proportion equation
5,243,591.98 : 7,236,293.79 = 2,951,836.30 : x - Step 2: Convert to fraction form
5,243,591.98/7,236,293.79 = 2,951,836.30/x - Step 3: Cross multiply
5,243,591.98x = 7,236,293.79 × 2,951,836.30 - Step 4: Simplify right side
5,243,591.98x = 21,360,354,686,786.57 - Step 5: Solve for x
x = 21,360,354,686,786.57/5,243,591.98 - Step 6: Final answer
x = 4,073,611.14
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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.