Finding the Fourth Proportional to 5,189,864.84, 7,162,231.06 and 2,984,729.38
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Solution
The fourth proportional to 5,189,864.84, 7,162,231.06 and 2,984,729.38 is: 4,119,051.68
Step by Step Solution
- Step 1: Write the proportion equation
5,189,864.84 : 7,162,231.06 = 2,984,729.38 : x - Step 2: Convert to fraction form
5,189,864.84/7,162,231.06 = 2,984,729.38/x - Step 3: Cross multiply
5,189,864.84x = 7,162,231.06 × 2,984,729.38 - Step 4: Simplify right side
5,189,864.84x = 21,377,321,485,494.20 - Step 5: Solve for x
x = 21,377,321,485,494.20/5,189,864.84 - Step 6: Final answer
x = 4,119,051.68
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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.