Finding the Fourth Proportional to 1,944,163.80, 2,916,245.70 and 1,831,970.70
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Solution
The fourth proportional to 1,944,163.80, 2,916,245.70 and 1,831,970.70 is: 2,747,956.05
Step by Step Solution
- Step 1: Write the proportion equation
1,944,163.80 : 2,916,245.70 = 1,831,970.70 : x - Step 2: Convert to fraction form
1,944,163.80/2,916,245.70 = 1,831,970.70/x - Step 3: Cross multiply
1,944,163.80x = 2,916,245.70 × 1,831,970.70 - Step 4: Simplify right side
1,944,163.80x = 5,342,476,676,400.99 - Step 5: Solve for x
x = 5,342,476,676,400.99/1,944,163.80 - Step 6: Final answer
x = 2,747,956.05
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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.