Finding the Fourth Proportional to 7,196,286.65, 10,790,476.36 and 3,544,982.21
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Solution
The fourth proportional to 7,196,286.65, 10,790,476.36 and 3,544,982.21 is: 5,315,525.72
Step by Step Solution
- Step 1: Write the proportion equation
7,196,286.65 : 10,790,476.36 = 3,544,982.21 : x - Step 2: Convert to fraction form
7,196,286.65/10,790,476.36 = 3,544,982.21/x - Step 3: Cross multiply
7,196,286.65x = 10,790,476.36 × 3,544,982.21 - Step 4: Simplify right side
7,196,286.65x = 38,252,046,751,739.29 - Step 5: Solve for x
x = 38,252,046,751,739.29/7,196,286.65 - Step 6: Final answer
x = 5,315,525.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.