Finding the Fourth Proportional to 5,740,694.88, 8,608,052.61 and 2,143,503.54
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Solution
The fourth proportional to 5,740,694.88, 8,608,052.61 and 2,143,503.54 is: 3,214,138.99
Step by Step Solution
- Step 1: Write the proportion equation
5,740,694.88 : 8,608,052.61 = 2,143,503.54 : x - Step 2: Convert to fraction form
5,740,694.88/8,608,052.61 = 2,143,503.54/x - Step 3: Cross multiply
5,740,694.88x = 8,608,052.61 × 2,143,503.54 - Step 4: Simplify right side
5,740,694.88x = 18,451,391,242,041.24 - Step 5: Solve for x
x = 18,451,391,242,041.24/5,740,694.88 - Step 6: Final answer
x = 3,214,138.99
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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.