Finding the Fourth Proportional to 2,644,015.23, 3,649,857.12 and 1,785,738.02
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Solution
The fourth proportional to 2,644,015.23, 3,649,857.12 and 1,785,738.02 is: 2,465,072.27
Step by Step Solution
- Step 1: Write the proportion equation
2,644,015.23 : 3,649,857.12 = 1,785,738.02 : x - Step 2: Convert to fraction form
2,644,015.23/3,649,857.12 = 1,785,738.02/x - Step 3: Cross multiply
2,644,015.23x = 3,649,857.12 × 1,785,738.02 - Step 4: Simplify right side
2,644,015.23x = 6,517,688,626,751.70 - Step 5: Solve for x
x = 6,517,688,626,751.70/2,644,015.23 - Step 6: Final answer
x = 2,465,072.27
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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.