Finding the Fourth Proportional to 2,728,029.70, 3,764,673.20 and 1,582,780.42
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Solution
The fourth proportional to 2,728,029.70, 3,764,673.20 and 1,582,780.42 is: 2,184,232.46
Step by Step Solution
- Step 1: Write the proportion equation
2,728,029.70 : 3,764,673.20 = 1,582,780.42 : x - Step 2: Convert to fraction form
2,728,029.70/3,764,673.20 = 1,582,780.42/x - Step 3: Cross multiply
2,728,029.70x = 3,764,673.20 × 1,582,780.42 - Step 4: Simplify right side
2,728,029.70x = 5,958,651,028,658.74 - Step 5: Solve for x
x = 5,958,651,028,658.74/2,728,029.70 - Step 6: Final answer
x = 2,184,232.46
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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.