Finding the Fourth Proportional to 3,889,163.70, 5,831,995.95 and 1,492,211.70
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Solution
The fourth proportional to 3,889,163.70, 5,831,995.95 and 1,492,211.70 is: 2,237,646.26
Step by Step Solution
- Step 1: Write the proportion equation
3,889,163.70 : 5,831,995.95 = 1,492,211.70 : x - Step 2: Convert to fraction form
3,889,163.70/5,831,995.95 = 1,492,211.70/x - Step 3: Cross multiply
3,889,163.70x = 5,831,995.95 × 1,492,211.70 - Step 4: Simplify right side
3,889,163.70x = 8,702,572,590,942.62 - Step 5: Solve for x
x = 8,702,572,590,942.62/3,889,163.70 - Step 6: Final answer
x = 2,237,646.26
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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.