Finding the Fourth Proportional to 4,193,107.20, 6,289,660.80 and 1,160,467.20
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Solution
The fourth proportional to 4,193,107.20, 6,289,660.80 and 1,160,467.20 is: 1,740,700.80
Step by Step Solution
- Step 1: Write the proportion equation
4,193,107.20 : 6,289,660.80 = 1,160,467.20 : x - Step 2: Convert to fraction form
4,193,107.20/6,289,660.80 = 1,160,467.20/x - Step 3: Cross multiply
4,193,107.20x = 6,289,660.80 × 1,160,467.20 - Step 4: Simplify right side
4,193,107.20x = 7,298,945,057,525.76 - Step 5: Solve for x
x = 7,298,945,057,525.76/4,193,107.20 - Step 6: Final answer
x = 1,740,700.80
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1.5x scale
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.