Finding the Fourth Proportional to 3,525,331.20, 5,288,774.40 and 1,129,286.40
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Solution
The fourth proportional to 3,525,331.20, 5,288,774.40 and 1,129,286.40 is: 1,694,178.69
Step by Step Solution
- Step 1: Write the proportion equation
3,525,331.20 : 5,288,774.40 = 1,129,286.40 : x - Step 2: Convert to fraction form
3,525,331.20/5,288,774.40 = 1,129,286.40/x - Step 3: Cross multiply
3,525,331.20x = 5,288,774.40 × 1,129,286.40 - Step 4: Simplify right side
3,525,331.20x = 5,972,541,002,588.16 - Step 5: Solve for x
x = 5,972,541,002,588.16/3,525,331.20 - Step 6: Final answer
x = 1,694,178.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.