Finding the Fourth Proportional to 1,907,174.54, 2,634,232.11 and 1,425,879.02
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Solution
The fourth proportional to 1,907,174.54, 2,634,232.11 and 1,425,879.02 is: 1,969,455.98
Step by Step Solution
- Step 1: Write the proportion equation
1,907,174.54 : 2,634,232.11 = 1,425,879.02 : x - Step 2: Convert to fraction form
1,907,174.54/2,634,232.11 = 1,425,879.02/x - Step 3: Cross multiply
1,907,174.54x = 2,634,232.11 × 1,425,879.02 - Step 4: Simplify right side
1,907,174.54x = 3,756,096,299,459.33 - Step 5: Solve for x
x = 3,756,096,299,459.33/1,907,174.54 - Step 6: Final answer
x = 1,969,455.98
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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.