Finding the Fourth Proportional to 1,821,754.10, 2,732,959.20 and 756,903.80
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Solution
The fourth proportional to 1,821,754.10, 2,732,959.20 and 756,903.80 is: 1,135,492.00
Step by Step Solution
- Step 1: Write the proportion equation
1,821,754.10 : 2,732,959.20 = 756,903.80 : x - Step 2: Convert to fraction form
1,821,754.10/2,732,959.20 = 756,903.80/x - Step 3: Cross multiply
1,821,754.10x = 2,732,959.20 × 756,903.80 - Step 4: Simplify right side
1,821,754.10x = 2,068,587,203,724.96 - Step 5: Solve for x
x = 2,068,587,203,724.96/1,821,754.10 - Step 6: Final answer
x = 1,135,492.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.