Finding the Fourth Proportional to 1,721,240.76, 2,375,396.37 and 957,277.92
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Solution
The fourth proportional to 1,721,240.76, 2,375,396.37 and 957,277.92 is: 1,321,090.31
Step by Step Solution
- Step 1: Write the proportion equation
1,721,240.76 : 2,375,396.37 = 957,277.92 : x - Step 2: Convert to fraction form
1,721,240.76/2,375,396.37 = 957,277.92/x - Step 3: Cross multiply
1,721,240.76x = 2,375,396.37 × 957,277.92 - Step 4: Simplify right side
1,721,240.76x = 2,273,914,496,249.15 - Step 5: Solve for x
x = 2,273,914,496,249.15/1,721,240.76 - Step 6: Final answer
x = 1,321,090.31
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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.