Finding the Fourth Proportional to 2,277,869.36, 3,144,251.30 and 1,311,384.84
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Solution
The fourth proportional to 2,277,869.36, 3,144,251.30 and 1,311,384.84 is: 1,810,166.80
Step by Step Solution
- Step 1: Write the proportion equation
2,277,869.36 : 3,144,251.30 = 1,311,384.84 : x - Step 2: Convert to fraction form
2,277,869.36/3,144,251.30 = 1,311,384.84/x - Step 3: Cross multiply
2,277,869.36x = 3,144,251.30 × 1,311,384.84 - Step 4: Simplify right side
2,277,869.36x = 4,123,323,481,413.37 - Step 5: Solve for x
x = 4,123,323,481,413.37/2,277,869.36 - Step 6: Final answer
x = 1,810,166.80
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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.