Finding the Fourth Proportional to 1,821,753.12, 2,732,729.28 and 756,902.80
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Solution
The fourth proportional to 1,821,753.12, 2,732,729.28 and 756,902.80 is: 1,135,395.58
Step by Step Solution
- Step 1: Write the proportion equation
1,821,753.12 : 2,732,729.28 = 756,902.80 : x - Step 2: Convert to fraction form
1,821,753.12/2,732,729.28 = 756,902.80/x - Step 3: Cross multiply
1,821,753.12x = 2,732,729.28 × 756,902.80 - Step 4: Simplify right side
1,821,753.12x = 2,068,410,443,673.98 - Step 5: Solve for x
x = 2,068,410,443,673.98/1,821,753.12 - Step 6: Final answer
x = 1,135,395.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.