Finding the Fourth Proportional to 2,127,231.40, 3,190,858.77 and 529,794.49
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Solution
The fourth proportional to 2,127,231.40, 3,190,858.77 and 529,794.49 is: 794,694.64
Step by Step Solution
- Step 1: Write the proportion equation
2,127,231.40 : 3,190,858.77 = 529,794.49 : x - Step 2: Convert to fraction form
2,127,231.40/3,190,858.77 = 529,794.49/x - Step 3: Cross multiply
2,127,231.40x = 3,190,858.77 × 529,794.49 - Step 4: Simplify right side
2,127,231.40x = 1,690,499,394,714.18 - Step 5: Solve for x
x = 1,690,499,394,714.18/2,127,231.40 - Step 6: Final answer
x = 794,694.64
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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.