Finding the Fourth Proportional to 2,319,313.20, 3,479,584.20 and 823,249.20
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Solution
The fourth proportional to 2,319,313.20, 3,479,584.20 and 823,249.20 is: 1,235,091.88
Step by Step Solution
- Step 1: Write the proportion equation
2,319,313.20 : 3,479,584.20 = 823,249.20 : x - Step 2: Convert to fraction form
2,319,313.20/3,479,584.20 = 823,249.20/x - Step 3: Cross multiply
2,319,313.20x = 3,479,584.20 × 823,249.20 - Step 4: Simplify right side
2,319,313.20x = 2,864,564,908,982.64 - Step 5: Solve for x
x = 2,864,564,908,982.64/2,319,313.20 - Step 6: Final answer
x = 1,235,091.88
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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.