Finding the Fourth Proportional to 2,993,936.76, 4,133,463.66 and 1,948,354.26
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Solution
The fourth proportional to 2,993,936.76, 4,133,463.66 and 1,948,354.26 is: 2,689,920.39
Step by Step Solution
- Step 1: Write the proportion equation
2,993,936.76 : 4,133,463.66 = 1,948,354.26 : x - Step 2: Convert to fraction form
2,993,936.76/4,133,463.66 = 1,948,354.26/x - Step 3: Cross multiply
2,993,936.76x = 4,133,463.66 × 1,948,354.26 - Step 4: Simplify right side
2,993,936.76x = 8,053,451,530,516.19 - Step 5: Solve for x
x = 8,053,451,530,516.19/2,993,936.76 - Step 6: Final answer
x = 2,689,920.39
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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.