Finding the Fourth Proportional to 3,743,048.72, 5,165,320.92 and 2,215,181.36
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Solution
The fourth proportional to 3,743,048.72, 5,165,320.92 and 2,215,181.36 is: 3,056,899.20
Step by Step Solution
- Step 1: Write the proportion equation
3,743,048.72 : 5,165,320.92 = 2,215,181.36 : x - Step 2: Convert to fraction form
3,743,048.72/5,165,320.92 = 2,215,181.36/x - Step 3: Cross multiply
3,743,048.72x = 5,165,320.92 × 2,215,181.36 - Step 4: Simplify right side
3,743,048.72x = 11,442,122,620,402.05 - Step 5: Solve for x
x = 11,442,122,620,402.05/3,743,048.72 - Step 6: Final answer
x = 3,056,899.20
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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.