Finding the Fourth Proportional to 1,901,420.28, 2,850,211.08 and 1,191,946.68
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Solution
The fourth proportional to 1,901,420.28, 2,850,211.08 and 1,191,946.68 is: 1,786,716.84
Step by Step Solution
- Step 1: Write the proportion equation
1,901,420.28 : 2,850,211.08 = 1,191,946.68 : x - Step 2: Convert to fraction form
1,901,420.28/2,850,211.08 = 1,191,946.68/x - Step 3: Cross multiply
1,901,420.28x = 2,850,211.08 × 1,191,946.68 - Step 4: Simplify right side
1,901,420.28x = 3,397,299,634,105.21 - Step 5: Solve for x
x = 3,397,299,634,105.21/1,901,420.28 - Step 6: Final answer
x = 1,786,716.84
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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.