Finding the Fourth Proportional to 2,747,896.40, 4,121,855.20 and 1,149,338.18
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Solution
The fourth proportional to 2,747,896.40, 4,121,855.20 and 1,149,338.18 is: 1,724,011.70
Step by Step Solution
- Step 1: Write the proportion equation
2,747,896.40 : 4,121,855.20 = 1,149,338.18 : x - Step 2: Convert to fraction form
2,747,896.40/4,121,855.20 = 1,149,338.18/x - Step 3: Cross multiply
2,747,896.40x = 4,121,855.20 × 1,149,338.18 - Step 4: Simplify right side
2,747,896.40x = 4,737,405,553,791.54 - Step 5: Solve for x
x = 4,737,405,553,791.54/2,747,896.40 - Step 6: Final answer
x = 1,724,011.70
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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.