Finding the Fourth Proportional to 1,642,311.36, 2,266,580.88 and 1,366,181.42
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Solution
The fourth proportional to 1,642,311.36, 2,266,580.88 and 1,366,181.42 is: 1,885,489.41
Step by Step Solution
- Step 1: Write the proportion equation
1,642,311.36 : 2,266,580.88 = 1,366,181.42 : x - Step 2: Convert to fraction form
1,642,311.36/2,266,580.88 = 1,366,181.42/x - Step 3: Cross multiply
1,642,311.36x = 2,266,580.88 × 1,366,181.42 - Step 4: Simplify right side
1,642,311.36x = 3,096,560,673,850.35 - Step 5: Solve for x
x = 3,096,560,673,850.35/1,642,311.36 - Step 6: Final answer
x = 1,885,489.41
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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.