Finding the Fourth Proportional to 1,901,251.82, 2,622,746.14 and 1,289,197.46
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Solution
The fourth proportional to 1,901,251.82, 2,622,746.14 and 1,289,197.46 is: 1,778,427.05
Step by Step Solution
- Step 1: Write the proportion equation
1,901,251.82 : 2,622,746.14 = 1,289,197.46 : x - Step 2: Convert to fraction form
1,901,251.82/2,622,746.14 = 1,289,197.46/x - Step 3: Cross multiply
1,901,251.82x = 2,622,746.14 × 1,289,197.46 - Step 4: Simplify right side
1,901,251.82x = 3,381,237,661,912.81 - Step 5: Solve for x
x = 3,381,237,661,912.81/1,901,251.82 - Step 6: Final answer
x = 1,778,427.05
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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.