Finding the Fourth Proportional to 3,525,313.40, 5,288,358.90 and 1,128,750.20
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Solution
The fourth proportional to 3,525,313.40, 5,288,358.90 and 1,128,750.20 is: 1,693,249.79
Step by Step Solution
- Step 1: Write the proportion equation
3,525,313.40 : 5,288,358.90 = 1,128,750.20 : x - Step 2: Convert to fraction form
3,525,313.40/5,288,358.90 = 1,128,750.20/x - Step 3: Cross multiply
3,525,313.40x = 5,288,358.90 × 1,128,750.20 - Step 4: Simplify right side
3,525,313.40x = 5,969,236,166,046.78 - Step 5: Solve for x
x = 5,969,236,166,046.78/3,525,313.40 - Step 6: Final answer
x = 1,693,249.79
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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.