Finding the Fourth Proportional to 5,202,289.05, 7,179,105.99 and 2,879,186.10
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Solution
The fourth proportional to 5,202,289.05, 7,179,105.99 and 2,879,186.10 is: 3,973,247.54
Step by Step Solution
- Step 1: Write the proportion equation
5,202,289.05 : 7,179,105.99 = 2,879,186.10 : x - Step 2: Convert to fraction form
5,202,289.05/7,179,105.99 = 2,879,186.10/x - Step 3: Cross multiply
5,202,289.05x = 7,179,105.99 × 2,879,186.10 - Step 4: Simplify right side
5,202,289.05x = 20,669,982,176,834.74 - Step 5: Solve for x
x = 20,669,982,176,834.74/5,202,289.05 - Step 6: Final answer
x = 3,973,247.54
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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.