Finding the Fourth Proportional to 5,159,576.92, 7,739,341.08 and 1,321,391.92
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Solution
The fourth proportional to 5,159,576.92, 7,739,341.08 and 1,321,391.92 is: 1,982,081.66
Step by Step Solution
- Step 1: Write the proportion equation
5,159,576.92 : 7,739,341.08 = 1,321,391.92 : x - Step 2: Convert to fraction form
5,159,576.92/7,739,341.08 = 1,321,391.92/x - Step 3: Cross multiply
5,159,576.92x = 7,739,341.08 × 1,321,391.92 - Step 4: Simplify right side
5,159,576.92x = 10,226,702,769,236.07 - Step 5: Solve for x
x = 10,226,702,769,236.07/5,159,576.92 - Step 6: Final answer
x = 1,982,081.66
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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.