Finding the Fourth Proportional to 3,874,105.07, 5,811,157.58 and 1,412,305.55
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Solution
The fourth proportional to 3,874,105.07, 5,811,157.58 and 1,412,305.55 is: 2,118,458.31
Step by Step Solution
- Step 1: Write the proportion equation
3,874,105.07 : 5,811,157.58 = 1,412,305.55 : x - Step 2: Convert to fraction form
3,874,105.07/5,811,157.58 = 1,412,305.55/x - Step 3: Cross multiply
3,874,105.07x = 5,811,157.58 × 1,412,305.55 - Step 4: Simplify right side
3,874,105.07x = 8,207,130,095,777.32 - Step 5: Solve for x
x = 8,207,130,095,777.32/3,874,105.07 - Step 6: Final answer
x = 2,118,458.31
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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.