Finding the Fourth Proportional to 5,380,887.15, 7,425,735.68 and 3,026,129.90
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Solution
The fourth proportional to 5,380,887.15, 7,425,735.68 and 3,026,129.90 is: 4,176,121.92
Step by Step Solution
- Step 1: Write the proportion equation
5,380,887.15 : 7,425,735.68 = 3,026,129.90 : x - Step 2: Convert to fraction form
5,380,887.15/7,425,735.68 = 3,026,129.90/x - Step 3: Cross multiply
5,380,887.15x = 7,425,735.68 × 3,026,129.90 - Step 4: Simplify right side
5,380,887.15x = 22,471,240,741,181.48 - Step 5: Solve for x
x = 22,471,240,741,181.48/5,380,887.15 - Step 6: Final answer
x = 4,176,121.92
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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.