Finding the Fourth Proportional to 1,481,107.75, 2,221,668.92 and 359,176.75
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Solution
The fourth proportional to 1,481,107.75, 2,221,668.92 and 359,176.75 is: 538,766.89
Step by Step Solution
- Step 1: Write the proportion equation
1,481,107.75 : 2,221,668.92 = 359,176.75 : x - Step 2: Convert to fraction form
1,481,107.75/2,221,668.92 = 359,176.75/x - Step 3: Cross multiply
1,481,107.75x = 2,221,668.92 × 359,176.75 - Step 4: Simplify right side
1,481,107.75x = 797,971,822,261.61 - Step 5: Solve for x
x = 797,971,822,261.61/1,481,107.75 - Step 6: Final answer
x = 538,766.89
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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.