Finding the Fourth Proportional to 3,947,159.10, 5,920,735.19 and 1,485,634.84
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Solution
The fourth proportional to 3,947,159.10, 5,920,735.19 and 1,485,634.84 is: 2,228,450.95
Step by Step Solution
- Step 1: Write the proportion equation
3,947,159.10 : 5,920,735.19 = 1,485,634.84 : x - Step 2: Convert to fraction form
3,947,159.10/5,920,735.19 = 1,485,634.84/x - Step 3: Cross multiply
3,947,159.10x = 5,920,735.19 × 1,485,634.84 - Step 4: Simplify right side
3,947,159.10x = 8,796,050,460,216.25 - Step 5: Solve for x
x = 8,796,050,460,216.25/3,947,159.10 - Step 6: Final answer
x = 2,228,450.95
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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.