Finding the Fourth Proportional to 1,395,896.68, 1,926,354.72 and 784,183.06
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Solution
The fourth proportional to 1,395,896.68, 1,926,354.72 and 784,183.06 is: 1,082,182.34
Step by Step Solution
- Step 1: Write the proportion equation
1,395,896.68 : 1,926,354.72 = 784,183.06 : x - Step 2: Convert to fraction form
1,395,896.68/1,926,354.72 = 784,183.06/x - Step 3: Cross multiply
1,395,896.68x = 1,926,354.72 × 784,183.06 - Step 4: Simplify right side
1,395,896.68x = 1,510,614,738,975.04 - Step 5: Solve for x
x = 1,510,614,738,975.04/1,395,896.68 - Step 6: Final answer
x = 1,082,182.34
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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.