Finding the Fourth Proportional to 4,362,640.47, 6,534,215.73 and 3,161,806.11
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Solution
The fourth proportional to 4,362,640.47, 6,534,215.73 and 3,161,806.11 is: 4,735,646.53
Step by Step Solution
- Step 1: Write the proportion equation
4,362,640.47 : 6,534,215.73 = 3,161,806.11 : x - Step 2: Convert to fraction form
4,362,640.47/6,534,215.73 = 3,161,806.11/x - Step 3: Cross multiply
4,362,640.47x = 6,534,215.73 × 3,161,806.11 - Step 4: Simplify right side
4,362,640.47x = 20,659,923,219,172.11 - Step 5: Solve for x
x = 20,659,923,219,172.11/4,362,640.47 - Step 6: Final answer
x = 4,735,646.53
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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.