Finding the Fourth Proportional to 2,278,511.37, 3,416,487.66 and 761,394.94
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Solution
The fourth proportional to 2,278,511.37, 3,416,487.66 and 761,394.94 is: 1,141,664.88
Step by Step Solution
- Step 1: Write the proportion equation
2,278,511.37 : 3,416,487.66 = 761,394.94 : x - Step 2: Convert to fraction form
2,278,511.37/3,416,487.66 = 761,394.94/x - Step 3: Cross multiply
2,278,511.37x = 3,416,487.66 × 761,394.94 - Step 4: Simplify right side
2,278,511.37x = 2,601,296,408,355.22 - Step 5: Solve for x
x = 2,601,296,408,355.22/2,278,511.37 - Step 6: Final answer
x = 1,141,664.88
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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.