Finding the Fourth Proportional to 1,313,137.08, 1,969,939.08 and 448,525.08
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Solution
The fourth proportional to 1,313,137.08, 1,969,939.08 and 448,525.08 is: 672,867.36
Step by Step Solution
- Step 1: Write the proportion equation
1,313,137.08 : 1,969,939.08 = 448,525.08 : x - Step 2: Convert to fraction form
1,313,137.08/1,969,939.08 = 448,525.08/x - Step 3: Cross multiply
1,313,137.08x = 1,969,939.08 × 448,525.08 - Step 4: Simplify right side
1,313,137.08x = 883,567,083,452.13 - Step 5: Solve for x
x = 883,567,083,452.13/1,313,137.08 - Step 6: Final answer
x = 672,867.36
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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.