Finding the Fourth Proportional to 5,031,205.65, 6,942,912.17 and 2,795,975.62
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Solution
The fourth proportional to 5,031,205.65, 6,942,912.17 and 2,795,975.62 is: 3,858,362.09
Step by Step Solution
- Step 1: Write the proportion equation
5,031,205.65 : 6,942,912.17 = 2,795,975.62 : x - Step 2: Convert to fraction form
5,031,205.65/6,942,912.17 = 2,795,975.62/x - Step 3: Cross multiply
5,031,205.65x = 6,942,912.17 × 2,795,975.62 - Step 4: Simplify right side
5,031,205.65x = 19,412,213,127,784.14 - Step 5: Solve for x
x = 19,412,213,127,784.14/5,031,205.65 - Step 6: Final answer
x = 3,858,362.09
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1.5x scale
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.