Finding the Fourth Proportional to 1,644,812.81, 2,269,146.63 and 1,101,123.75
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Solution
The fourth proportional to 1,644,812.81, 2,269,146.63 and 1,101,123.75 is: 1,519,085.48
Step by Step Solution
- Step 1: Write the proportion equation
1,644,812.81 : 2,269,146.63 = 1,101,123.75 : x - Step 2: Convert to fraction form
1,644,812.81/2,269,146.63 = 1,101,123.75/x - Step 3: Cross multiply
1,644,812.81x = 2,269,146.63 × 1,101,123.75 - Step 4: Simplify right side
1,644,812.81x = 2,498,611,259,163.98 - Step 5: Solve for x
x = 2,498,611,259,163.98/1,644,812.81 - Step 6: Final answer
x = 1,519,085.48
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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.