Finding the Fourth Proportional to 3,892,057.41, 5,371,048.72 and 2,173,239.44
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Solution
The fourth proportional to 3,892,057.41, 5,371,048.72 and 2,173,239.44 is: 2,999,075.72
Step by Step Solution
- Step 1: Write the proportion equation
3,892,057.41 : 5,371,048.72 = 2,173,239.44 : x - Step 2: Convert to fraction form
3,892,057.41/5,371,048.72 = 2,173,239.44/x - Step 3: Cross multiply
3,892,057.41x = 5,371,048.72 × 2,173,239.44 - Step 4: Simplify right side
3,892,057.41x = 11,672,574,880,177.18 - Step 5: Solve for x
x = 11,672,574,880,177.18/3,892,057.41 - Step 6: Final answer
x = 2,999,075.72
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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.