Finding the Fourth Proportional to 1,444,854.21, 2,165,768.18 and 485,074.22
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Solution
The fourth proportional to 1,444,854.21, 2,165,768.18 and 485,074.22 is: 727,103.33
Step by Step Solution
- Step 1: Write the proportion equation
1,444,854.21 : 2,165,768.18 = 485,074.22 : x - Step 2: Convert to fraction form
1,444,854.21/2,165,768.18 = 485,074.22/x - Step 3: Cross multiply
1,444,854.21x = 2,165,768.18 × 485,074.22 - Step 4: Simplify right side
1,444,854.21x = 1,050,558,311,361.58 - Step 5: Solve for x
x = 1,050,558,311,361.58/1,444,854.21 - Step 6: Final answer
x = 727,103.33
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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.