Finding the Fourth Proportional to 1,485,191.03, 2,228,266.35 and 686,996.19
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Solution
The fourth proportional to 1,485,191.03, 2,228,266.35 and 686,996.19 is: 1,030,716.23
Step by Step Solution
- Step 1: Write the proportion equation
1,485,191.03 : 2,228,266.35 = 686,996.19 : x - Step 2: Convert to fraction form
1,485,191.03/2,228,266.35 = 686,996.19/x - Step 3: Cross multiply
1,485,191.03x = 2,228,266.35 × 686,996.19 - Step 4: Simplify right side
1,485,191.03x = 1,530,810,492,755.21 - Step 5: Solve for x
x = 1,530,810,492,755.21/1,485,191.03 - Step 6: Final answer
x = 1,030,716.23
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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.