Finding the Fourth Proportional to 2,321,216.12, 3,203,591.10 and 1,302,676.76
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Solution
The fourth proportional to 2,321,216.12, 3,203,591.10 and 1,302,676.76 is: 1,797,869.50
Step by Step Solution
- Step 1: Write the proportion equation
2,321,216.12 : 3,203,591.10 = 1,302,676.76 : x - Step 2: Convert to fraction form
2,321,216.12/3,203,591.10 = 1,302,676.76/x - Step 3: Cross multiply
2,321,216.12x = 3,203,591.10 × 1,302,676.76 - Step 4: Simplify right side
2,321,216.12x = 4,173,243,674,512.84 - Step 5: Solve for x
x = 4,173,243,674,512.84/2,321,216.12 - Step 6: Final answer
x = 1,797,869.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.