Finding the Fourth Proportional to 2,750,823.40, 4,126,235.10 and 857,549.80
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Solution
The fourth proportional to 2,750,823.40, 4,126,235.10 and 857,549.80 is: 1,286,324.70
Step by Step Solution
- Step 1: Write the proportion equation
2,750,823.40 : 4,126,235.10 = 857,549.80 : x - Step 2: Convert to fraction form
2,750,823.40/4,126,235.10 = 857,549.80/x - Step 3: Cross multiply
2,750,823.40x = 4,126,235.10 × 857,549.80 - Step 4: Simplify right side
2,750,823.40x = 3,538,452,084,757.98 - Step 5: Solve for x
x = 3,538,452,084,757.98/2,750,823.40 - Step 6: Final answer
x = 1,286,324.70
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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.