Finding the Fourth Proportional to 3,696,818.54, 5,540,271.12 and 2,877,146.94
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Solution
The fourth proportional to 3,696,818.54, 5,540,271.12 and 2,877,146.94 is: 4,311,862.73
Step by Step Solution
- Step 1: Write the proportion equation
3,696,818.54 : 5,540,271.12 = 2,877,146.94 : x - Step 2: Convert to fraction form
3,696,818.54/5,540,271.12 = 2,877,146.94/x - Step 3: Cross multiply
3,696,818.54x = 5,540,271.12 × 2,877,146.94 - Step 4: Simplify right side
3,696,818.54x = 15,940,174,099,678.37 - Step 5: Solve for x
x = 15,940,174,099,678.37/3,696,818.54 - Step 6: Final answer
x = 4,311,862.73
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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.