Finding the Fourth Proportional to 1,858,768.56, 2,560,321.12 and 1,313,967.44
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Solution
The fourth proportional to 1,858,768.56, 2,560,321.12 and 1,313,967.44 is: 1,809,896.43
Step by Step Solution
- Step 1: Write the proportion equation
1,858,768.56 : 2,560,321.12 = 1,313,967.44 : x - Step 2: Convert to fraction form
1,858,768.56/2,560,321.12 = 1,313,967.44/x - Step 3: Cross multiply
1,858,768.56x = 2,560,321.12 × 1,313,967.44 - Step 4: Simplify right side
1,858,768.56x = 3,364,178,587,624.33 - Step 5: Solve for x
x = 3,364,178,587,624.33/1,858,768.56 - Step 6: Final answer
x = 1,809,896.43
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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.