Finding the Fourth Proportional to 1,689,171.76, 2,331,087.42 and 925,176.12
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Solution
The fourth proportional to 1,689,171.76, 2,331,087.42 and 925,176.12 is: 1,276,759.69
Step by Step Solution
- Step 1: Write the proportion equation
1,689,171.76 : 2,331,087.42 = 925,176.12 : x - Step 2: Convert to fraction form
1,689,171.76/2,331,087.42 = 925,176.12/x - Step 3: Cross multiply
1,689,171.76x = 2,331,087.42 × 925,176.12 - Step 4: Simplify right side
1,689,171.76x = 2,156,666,414,616.41 - Step 5: Solve for x
x = 2,156,666,414,616.41/1,689,171.76 - Step 6: Final answer
x = 1,276,759.69
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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.