Finding the Fourth Proportional to 3,083,490.75, 4,255,165.68 and 1,706,804.94
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Solution
The fourth proportional to 3,083,490.75, 4,255,165.68 and 1,706,804.94 is: 2,355,362.28
Step by Step Solution
- Step 1: Write the proportion equation
3,083,490.75 : 4,255,165.68 = 1,706,804.94 : x - Step 2: Convert to fraction form
3,083,490.75/4,255,165.68 = 1,706,804.94/x - Step 3: Cross multiply
3,083,490.75x = 4,255,165.68 × 1,706,804.94 - Step 4: Simplify right side
3,083,490.75x = 7,262,737,803,142.46 - Step 5: Solve for x
x = 7,262,737,803,142.46/3,083,490.75 - Step 6: Final answer
x = 2,355,362.28
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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.