Finding the Fourth Proportional to 1,684,619.28, 2,324,768.99 and 920,672.64
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Solution
The fourth proportional to 1,684,619.28, 2,324,768.99 and 920,672.64 is: 1,270,525.17
Step by Step Solution
- Step 1: Write the proportion equation
1,684,619.28 : 2,324,768.99 = 920,672.64 : x - Step 2: Convert to fraction form
1,684,619.28/2,324,768.99 = 920,672.64/x - Step 3: Cross multiply
1,684,619.28x = 2,324,768.99 × 920,672.64 - Step 4: Simplify right side
1,684,619.28x = 2,140,351,198,810.07 - Step 5: Solve for x
x = 2,140,351,198,810.07/1,684,619.28 - Step 6: Final answer
x = 1,270,525.17
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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.