Finding the Fourth Proportional to 4,796,381.22, 6,618,925.83 and 2,620,874.19
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Solution
The fourth proportional to 4,796,381.22, 6,618,925.83 and 2,620,874.19 is: 3,616,762.53
Step by Step Solution
- Step 1: Write the proportion equation
4,796,381.22 : 6,618,925.83 = 2,620,874.19 : x - Step 2: Convert to fraction form
4,796,381.22/6,618,925.83 = 2,620,874.19/x - Step 3: Cross multiply
4,796,381.22x = 6,618,925.83 × 2,620,874.19 - Step 4: Simplify right side
4,796,381.22x = 17,347,371,873,371.33 - Step 5: Solve for x
x = 17,347,371,873,371.33/4,796,381.22 - Step 6: Final answer
x = 3,616,762.53
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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.