Finding the Fourth Proportional to 2,080,789.20, 3,121,183.80 and 584,881.20
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Solution
The fourth proportional to 2,080,789.20, 3,121,183.80 and 584,881.20 is: 877,321.80
Step by Step Solution
- Step 1: Write the proportion equation
2,080,789.20 : 3,121,183.80 = 584,881.20 : x - Step 2: Convert to fraction form
2,080,789.20/3,121,183.80 = 584,881.20/x - Step 3: Cross multiply
2,080,789.20x = 3,121,183.80 × 584,881.20 - Step 4: Simplify right side
2,080,789.20x = 1,825,521,726,364.56 - Step 5: Solve for x
x = 1,825,521,726,364.56/2,080,789.20 - Step 6: Final answer
x = 877,321.80
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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.