Finding the Fourth Proportional to 5,072,037.64, 6,995,330.67 and 4,458,879.38
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Solution
The fourth proportional to 5,072,037.64, 6,995,330.67 and 4,458,879.38 is: 6,149,665.66
Step by Step Solution
- Step 1: Write the proportion equation
5,072,037.64 : 6,995,330.67 = 4,458,879.38 : x - Step 2: Convert to fraction form
5,072,037.64/6,995,330.67 = 4,458,879.38/x - Step 3: Cross multiply
5,072,037.64x = 6,995,330.67 × 4,458,879.38 - Step 4: Simplify right side
5,072,037.64x = 31,191,335,658,450.19 - Step 5: Solve for x
x = 31,191,335,658,450.19/5,072,037.64 - Step 6: Final answer
x = 6,149,665.66
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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.