Finding the Fourth Proportional to 1,765,684.09, 2,436,475.57 and 991,137.52
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Solution
The fourth proportional to 1,765,684.09, 2,436,475.57 and 991,137.52 is: 1,367,675.21
Step by Step Solution
- Step 1: Write the proportion equation
1,765,684.09 : 2,436,475.57 = 991,137.52 : x - Step 2: Convert to fraction form
1,765,684.09/2,436,475.57 = 991,137.52/x - Step 3: Cross multiply
1,765,684.09x = 2,436,475.57 × 991,137.52 - Step 4: Simplify right side
1,765,684.09x = 2,414,882,353,990.39 - Step 5: Solve for x
x = 2,414,882,353,990.39/1,765,684.09 - Step 6: Final answer
x = 1,367,675.21
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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.