Finding the Fourth Proportional to 1,440,778.14, 2,162,282.40 and 543,036.42
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Solution
The fourth proportional to 1,440,778.14, 2,162,282.40 and 543,036.42 is: 814,974.95
Step by Step Solution
- Step 1: Write the proportion equation
1,440,778.14 : 2,162,282.40 = 543,036.42 : x - Step 2: Convert to fraction form
1,440,778.14/2,162,282.40 = 543,036.42/x - Step 3: Cross multiply
1,440,778.14x = 2,162,282.40 × 543,036.42 - Step 4: Simplify right side
1,440,778.14x = 1,174,198,093,525.01 - Step 5: Solve for x
x = 1,174,198,093,525.01/1,440,778.14 - Step 6: Final answer
x = 814,974.95
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1.5x scale
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.