Finding the Fourth Proportional to 3,161,742.24, 4,365,719.46 and 2,919,936.36
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Solution
The fourth proportional to 3,161,742.24, 4,365,719.46 and 2,919,936.36 is: 4,031,834.99
Step by Step Solution
- Step 1: Write the proportion equation
3,161,742.24 : 4,365,719.46 = 2,919,936.36 : x - Step 2: Convert to fraction form
3,161,742.24/4,365,719.46 = 2,919,936.36/x - Step 3: Cross multiply
3,161,742.24x = 4,365,719.46 × 2,919,936.36 - Step 4: Simplify right side
3,161,742.24x = 12,747,622,988,813.56 - Step 5: Solve for x
x = 12,747,622,988,813.56/3,161,742.24 - Step 6: Final answer
x = 4,031,834.99
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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.