Finding the Fourth Proportional to 1,624,431.56, 2,241,626.75 and 889,243.62
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Solution
The fourth proportional to 1,624,431.56, 2,241,626.75 and 889,243.62 is: 1,227,107.57
Step by Step Solution
- Step 1: Write the proportion equation
1,624,431.56 : 2,241,626.75 = 889,243.62 : x - Step 2: Convert to fraction form
1,624,431.56/2,241,626.75 = 889,243.62/x - Step 3: Cross multiply
1,624,431.56x = 2,241,626.75 × 889,243.62 - Step 4: Simplify right side
1,624,431.56x = 1,993,352,270,204.48 - Step 5: Solve for x
x = 1,993,352,270,204.48/1,624,431.56 - Step 6: Final answer
x = 1,227,107.57
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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.