Finding the Fourth Proportional to 3,750,107.18, 5,174,879.22 and 2,201,431.73
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Solution
The fourth proportional to 3,750,107.18, 5,174,879.22 and 2,201,431.73 is: 3,037,818.06
Step by Step Solution
- Step 1: Write the proportion equation
3,750,107.18 : 5,174,879.22 = 2,201,431.73 : x - Step 2: Convert to fraction form
3,750,107.18/5,174,879.22 = 2,201,431.73/x - Step 3: Cross multiply
3,750,107.18x = 5,174,879.22 × 2,201,431.73 - Step 4: Simplify right side
3,750,107.18x = 11,392,143,287,951.25 - Step 5: Solve for x
x = 11,392,143,287,951.25/3,750,107.18 - Step 6: Final answer
x = 3,037,818.06
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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.