Finding the Fourth Proportional to 3,567,984.78, 4,923,106.68 and 2,171,611.08
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Solution
The fourth proportional to 3,567,984.78, 4,923,106.68 and 2,171,611.08 is: 2,996,389.75
Step by Step Solution
- Step 1: Write the proportion equation
3,567,984.78 : 4,923,106.68 = 2,171,611.08 : x - Step 2: Convert to fraction form
3,567,984.78/4,923,106.68 = 2,171,611.08/x - Step 3: Cross multiply
3,567,984.78x = 4,923,106.68 × 2,171,611.08 - Step 4: Simplify right side
3,567,984.78x = 10,691,073,014,310.01 - Step 5: Solve for x
x = 10,691,073,014,310.01/3,567,984.78 - Step 6: Final answer
x = 2,996,389.75
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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.