Finding the Fourth Proportional to 1,705,295.48, 2,543,121.08 and 1,682,414.06
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Solution
The fourth proportional to 1,705,295.48, 2,543,121.08 and 1,682,414.06 is: 2,508,997.83
Step by Step Solution
- Step 1: Write the proportion equation
1,705,295.48 : 2,543,121.08 = 1,682,414.06 : x - Step 2: Convert to fraction form
1,705,295.48/2,543,121.08 = 1,682,414.06/x - Step 3: Cross multiply
1,705,295.48x = 2,543,121.08 × 1,682,414.06 - Step 4: Simplify right side
1,705,295.48x = 4,278,582,661,274.39 - Step 5: Solve for x
x = 4,278,582,661,274.39/1,705,295.48 - Step 6: Final answer
x = 2,508,997.83
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.