Finding the Fourth Proportional to 5,212,836.28, 7,189,449.06 and 3,669,207.94
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Solution
The fourth proportional to 5,212,836.28, 7,189,449.06 and 3,669,207.94 is: 5,060,504.91
Step by Step Solution
- Step 1: Write the proportion equation
5,212,836.28 : 7,189,449.06 = 3,669,207.94 : x - Step 2: Convert to fraction form
5,212,836.28/7,189,449.06 = 3,669,207.94/x - Step 3: Cross multiply
5,212,836.28x = 7,189,449.06 × 3,669,207.94 - Step 4: Simplify right side
5,212,836.28x = 26,379,583,575,177.54 - Step 5: Solve for x
x = 26,379,583,575,177.54/5,212,836.28 - Step 6: Final answer
x = 5,060,504.91
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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.