Finding the Fourth Proportional to 3,470,218.20, 4,782,409.92 and 2,501,697.96
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Solution
The fourth proportional to 3,470,218.20, 4,782,409.92 and 2,501,697.96 is: 3,447,663.65
Step by Step Solution
- Step 1: Write the proportion equation
3,470,218.20 : 4,782,409.92 = 2,501,697.96 : x - Step 2: Convert to fraction form
3,470,218.20/4,782,409.92 = 2,501,697.96/x - Step 3: Cross multiply
3,470,218.20x = 4,782,409.92 × 2,501,697.96 - Step 4: Simplify right side
3,470,218.20x = 11,964,145,140,747.76 - Step 5: Solve for x
x = 11,964,145,140,747.76/3,470,218.20 - Step 6: Final answer
x = 3,447,663.65
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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.