Finding the Fourth Proportional to 1,624,349.21, 2,241,628.41 and 889,291.17
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Solution
The fourth proportional to 1,624,349.21, 2,241,628.41 and 889,291.17 is: 1,227,236.33
Step by Step Solution
- Step 1: Write the proportion equation
1,624,349.21 : 2,241,628.41 = 889,291.17 : x - Step 2: Convert to fraction form
1,624,349.21/2,241,628.41 = 889,291.17/x - Step 3: Cross multiply
1,624,349.21x = 2,241,628.41 × 889,291.17 - Step 4: Simplify right side
1,624,349.21x = 1,993,460,351,434.14 - Step 5: Solve for x
x = 1,993,460,351,434.14/1,624,349.21 - Step 6: Final answer
x = 1,227,236.33
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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.