Finding the Fourth Proportional to 5,336,584.12, 7,364,489.16 and 2,889,195.76
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Solution
The fourth proportional to 5,336,584.12, 7,364,489.16 and 2,889,195.76 is: 3,987,091.81
Step by Step Solution
- Step 1: Write the proportion equation
5,336,584.12 : 7,364,489.16 = 2,889,195.76 : x - Step 2: Convert to fraction form
5,336,584.12/7,364,489.16 = 2,889,195.76/x - Step 3: Cross multiply
5,336,584.12x = 7,364,489.16 × 2,889,195.76 - Step 4: Simplify right side
5,336,584.12x = 21,277,450,855,637.96 - Step 5: Solve for x
x = 21,277,450,855,637.96/5,336,584.12 - Step 6: Final answer
x = 3,987,091.81
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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.