Finding the Fourth Proportional to 4,825,207.26, 7,236,236.25 and 2,129,423.58
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Solution
The fourth proportional to 4,825,207.26, 7,236,236.25 and 2,129,423.58 is: 3,193,440.46
Step by Step Solution
- Step 1: Write the proportion equation
4,825,207.26 : 7,236,236.25 = 2,129,423.58 : x - Step 2: Convert to fraction form
4,825,207.26/7,236,236.25 = 2,129,423.58/x - Step 3: Cross multiply
4,825,207.26x = 7,236,236.25 × 2,129,423.58 - Step 4: Simplify right side
4,825,207.26x = 15,409,012,101,200.78 - Step 5: Solve for x
x = 15,409,012,101,200.78/4,825,207.26 - Step 6: Final answer
x = 3,193,440.46
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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.