Finding the Fourth Proportional to 3,662,889.75, 5,054,787.90 and 2,053,257.75
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Solution
The fourth proportional to 3,662,889.75, 5,054,787.90 and 2,053,257.75 is: 2,833,495.72
Step by Step Solution
- Step 1: Write the proportion equation
3,662,889.75 : 5,054,787.90 = 2,053,257.75 : x - Step 2: Convert to fraction form
3,662,889.75/5,054,787.90 = 2,053,257.75/x - Step 3: Cross multiply
3,662,889.75x = 5,054,787.90 × 2,053,257.75 - Step 4: Simplify right side
3,662,889.75x = 10,378,782,430,281.23 - Step 5: Solve for x
x = 10,378,782,430,281.23/3,662,889.75 - Step 6: Final answer
x = 2,833,495.72
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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.