Finding the Fourth Proportional to 2,775,673.98, 3,831,487.11 and 1,809,039.42
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Solution
The fourth proportional to 2,775,673.98, 3,831,487.11 and 1,809,039.42 is: 2,497,163.31
Step by Step Solution
- Step 1: Write the proportion equation
2,775,673.98 : 3,831,487.11 = 1,809,039.42 : x - Step 2: Convert to fraction form
2,775,673.98/3,831,487.11 = 1,809,039.42/x - Step 3: Cross multiply
2,775,673.98x = 3,831,487.11 × 1,809,039.42 - Step 4: Simplify right side
2,775,673.98x = 6,931,311,219,211.88 - Step 5: Solve for x
x = 6,931,311,219,211.88/2,775,673.98 - Step 6: Final answer
x = 2,497,163.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.