Finding the Fourth Proportional to 1,625,440.14, 2,243,082.69 and 890,388.54
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Solution
The fourth proportional to 1,625,440.14, 2,243,082.69 and 890,388.54 is: 1,228,722.65
Step by Step Solution
- Step 1: Write the proportion equation
1,625,440.14 : 2,243,082.69 = 890,388.54 : x - Step 2: Convert to fraction form
1,625,440.14/2,243,082.69 = 890,388.54/x - Step 3: Cross multiply
1,625,440.14x = 2,243,082.69 × 890,388.54 - Step 4: Simplify right side
1,625,440.14x = 1,997,215,121,448.37 - Step 5: Solve for x
x = 1,997,215,121,448.37/1,625,440.14 - Step 6: Final answer
x = 1,228,722.65
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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.