Finding the Fourth Proportional to 4,114,542.40, 5,678,741.28 and 2,460,581.44
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Solution
The fourth proportional to 4,114,542.40, 5,678,741.28 and 2,460,581.44 is: 3,396,004.72
Step by Step Solution
- Step 1: Write the proportion equation
4,114,542.40 : 5,678,741.28 = 2,460,581.44 : x - Step 2: Convert to fraction form
4,114,542.40/5,678,741.28 = 2,460,581.44/x - Step 3: Cross multiply
4,114,542.40x = 5,678,741.28 × 2,460,581.44 - Step 4: Simplify right side
4,114,542.40x = 13,973,005,396,129.84 - Step 5: Solve for x
x = 13,973,005,396,129.84/4,114,542.40 - Step 6: Final answer
x = 3,396,004.72
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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.