Finding the Fourth Proportional to 1,879,628.09, 2,593,944.66 and 1,105,118.44
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Solution
The fourth proportional to 1,879,628.09, 2,593,944.66 and 1,105,118.44 is: 1,525,097.49
Step by Step Solution
- Step 1: Write the proportion equation
1,879,628.09 : 2,593,944.66 = 1,105,118.44 : x - Step 2: Convert to fraction form
1,879,628.09/2,593,944.66 = 1,105,118.44/x - Step 3: Cross multiply
1,879,628.09x = 2,593,944.66 × 1,105,118.44 - Step 4: Simplify right side
1,879,628.09x = 2,866,616,067,548.57 - Step 5: Solve for x
x = 2,866,616,067,548.57/1,879,628.09 - Step 6: Final answer
x = 1,525,097.49
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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.