Finding the Fourth Proportional to 1,624,102.04, 2,239,771.56 and 1,394,581.24
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Solution
The fourth proportional to 1,624,102.04, 2,239,771.56 and 1,394,581.24 is: 1,923,243.32
Step by Step Solution
- Step 1: Write the proportion equation
1,624,102.04 : 2,239,771.56 = 1,394,581.24 : x - Step 2: Convert to fraction form
1,624,102.04/2,239,771.56 = 1,394,581.24/x - Step 3: Cross multiply
1,624,102.04x = 2,239,771.56 × 1,394,581.24 - Step 4: Simplify right side
1,624,102.04x = 3,123,543,399,461.53 - Step 5: Solve for x
x = 3,123,543,399,461.53/1,624,102.04 - Step 6: Final answer
x = 1,923,243.32
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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.