Finding the Fourth Proportional to 4,858,822.87, 7,289,596.37 and 2,126,608.20
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Solution
The fourth proportional to 4,858,822.87, 7,289,596.37 and 2,126,608.20 is: 3,190,508.45
Step by Step Solution
- Step 1: Write the proportion equation
4,858,822.87 : 7,289,596.37 = 2,126,608.20 : x - Step 2: Convert to fraction form
4,858,822.87/7,289,596.37 = 2,126,608.20/x - Step 3: Cross multiply
4,858,822.87x = 7,289,596.37 × 2,126,608.20 - Step 4: Simplify right side
4,858,822.87x = 15,502,115,420,448.76 - Step 5: Solve for x
x = 15,502,115,420,448.76/4,858,822.87 - Step 6: Final answer
x = 3,190,508.45
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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.