Finding the Fourth Proportional to 1,838,403.40, 2,754,324.60 and 889,682.80
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Solution
The fourth proportional to 1,838,403.40, 2,754,324.60 and 889,682.80 is: 1,332,936.62
Step by Step Solution
- Step 1: Write the proportion equation
1,838,403.40 : 2,754,324.60 = 889,682.80 : x - Step 2: Convert to fraction form
1,838,403.40/2,754,324.60 = 889,682.80/x - Step 3: Cross multiply
1,838,403.40x = 2,754,324.60 × 889,682.80 - Step 4: Simplify right side
1,838,403.40x = 2,450,475,222,236.88 - Step 5: Solve for x
x = 2,450,475,222,236.88/1,838,403.40 - Step 6: Final answer
x = 1,332,936.62
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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.