Finding the Fourth Proportional to 1,603,174.31, 2,212,321.01 and 878,027.99
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Solution
The fourth proportional to 1,603,174.31, 2,212,321.01 and 878,027.99 is: 1,211,646.01
Step by Step Solution
- Step 1: Write the proportion equation
1,603,174.31 : 2,212,321.01 = 878,027.99 : x - Step 2: Convert to fraction form
1,603,174.31/2,212,321.01 = 878,027.99/x - Step 3: Cross multiply
1,603,174.31x = 2,212,321.01 × 878,027.99 - Step 4: Simplify right side
1,603,174.31x = 1,942,479,754,193.32 - Step 5: Solve for x
x = 1,942,479,754,193.32/1,603,174.31 - Step 6: Final answer
x = 1,211,646.01
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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.