Finding the Fourth Proportional to 3,943,889.26, 5,916,487.56 and 1,384,440.12
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Solution
The fourth proportional to 3,943,889.26, 5,916,487.56 and 1,384,440.12 is: 2,076,889.64
Step by Step Solution
- Step 1: Write the proportion equation
3,943,889.26 : 5,916,487.56 = 1,384,440.12 : x - Step 2: Convert to fraction form
3,943,889.26/5,916,487.56 = 1,384,440.12/x - Step 3: Cross multiply
3,943,889.26x = 5,916,487.56 × 1,384,440.12 - Step 4: Simplify right side
3,943,889.26x = 8,191,022,762,336.13 - Step 5: Solve for x
x = 8,191,022,762,336.13/3,943,889.26 - Step 6: Final answer
x = 2,076,889.64
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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.