Finding the Fourth Proportional to 3,208,632.48, 4,809,708.24 and 2,011,393.96
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Solution
The fourth proportional to 3,208,632.48, 4,809,708.24 and 2,011,393.96 is: 3,015,059.58
Step by Step Solution
- Step 1: Write the proportion equation
3,208,632.48 : 4,809,708.24 = 2,011,393.96 : x - Step 2: Convert to fraction form
3,208,632.48/4,809,708.24 = 2,011,393.96/x - Step 3: Cross multiply
3,208,632.48x = 4,809,708.24 × 2,011,393.96 - Step 4: Simplify right side
3,208,632.48x = 9,674,218,103,298.23 - Step 5: Solve for x
x = 9,674,218,103,298.23/3,208,632.48 - Step 6: Final answer
x = 3,015,059.58
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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.