Finding the Fourth Proportional to 1,879,629.66, 2,593,890.85 and 1,020,190.09
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Solution
The fourth proportional to 1,879,629.66, 2,593,890.85 and 1,020,190.09 is: 1,407,863.37
Step by Step Solution
- Step 1: Write the proportion equation
1,879,629.66 : 2,593,890.85 = 1,020,190.09 : x - Step 2: Convert to fraction form
1,879,629.66/2,593,890.85 = 1,020,190.09/x - Step 3: Cross multiply
1,879,629.66x = 2,593,890.85 × 1,020,190.09 - Step 4: Simplify right side
1,879,629.66x = 2,646,261,734,610.73 - Step 5: Solve for x
x = 2,646,261,734,610.73/1,879,629.66 - Step 6: Final answer
x = 1,407,863.37
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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.