Finding the Fourth Proportional to 5,151,571.41, 7,108,812.39 and 2,859,551.67
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Solution
The fourth proportional to 5,151,571.41, 7,108,812.39 and 2,859,551.67 is: 3,945,983.61
Step by Step Solution
- Step 1: Write the proportion equation
5,151,571.41 : 7,108,812.39 = 2,859,551.67 : x - Step 2: Convert to fraction form
5,151,571.41/7,108,812.39 = 2,859,551.67/x - Step 3: Cross multiply
5,151,571.41x = 7,108,812.39 × 2,859,551.67 - Step 4: Simplify right side
5,151,571.41x = 20,328,016,341,541.19 - Step 5: Solve for x
x = 20,328,016,341,541.19/5,151,571.41 - Step 6: Final answer
x = 3,945,983.61
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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.