Finding the Fourth Proportional to 1,682,427.93, 2,321,669.57 and 957,207.93
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Solution
The fourth proportional to 1,682,427.93, 2,321,669.57 and 957,207.93 is: 1,320,900.87
Step by Step Solution
- Step 1: Write the proportion equation
1,682,427.93 : 2,321,669.57 = 957,207.93 : x - Step 2: Convert to fraction form
1,682,427.93/2,321,669.57 = 957,207.93/x - Step 3: Cross multiply
1,682,427.93x = 2,321,669.57 × 957,207.93 - Step 4: Simplify right side
1,682,427.93x = 2,222,320,518,457.65 - Step 5: Solve for x
x = 2,222,320,518,457.65/1,682,427.93 - Step 6: Final answer
x = 1,320,900.87
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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.