Finding the Fourth Proportional to 3,831,087.16, 5,750,370.54 and 3,163,964.68
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Solution
The fourth proportional to 3,831,087.16, 5,750,370.54 and 3,163,964.68 is: 4,749,035.59
Step by Step Solution
- Step 1: Write the proportion equation
3,831,087.16 : 5,750,370.54 = 3,163,964.68 : x - Step 2: Convert to fraction form
3,831,087.16/5,750,370.54 = 3,163,964.68/x - Step 3: Cross multiply
3,831,087.16x = 5,750,370.54 × 3,163,964.68 - Step 4: Simplify right side
3,831,087.16x = 18,193,969,285,472.53 - Step 5: Solve for x
x = 18,193,969,285,472.53/3,831,087.16 - Step 6: Final answer
x = 4,749,035.59
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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.