Finding the Fourth Proportional to 1,694,311.11, 2,338,138.80 and 969,170.94
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Solution
The fourth proportional to 1,694,311.11, 2,338,138.80 and 969,170.94 is: 1,337,449.87
Step by Step Solution
- Step 1: Write the proportion equation
1,694,311.11 : 2,338,138.80 = 969,170.94 : x - Step 2: Convert to fraction form
1,694,311.11/2,338,138.80 = 969,170.94/x - Step 3: Cross multiply
1,694,311.11x = 2,338,138.80 × 969,170.94 - Step 4: Simplify right side
1,694,311.11x = 2,266,056,178,646.47 - Step 5: Solve for x
x = 2,266,056,178,646.47/1,694,311.11 - Step 6: Final answer
x = 1,337,449.87
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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.