Finding the Fourth Proportional to 1,768,163.40, 2,652,245.10 and 438,467.40
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Solution
The fourth proportional to 1,768,163.40, 2,652,245.10 and 438,467.40 is: 657,701.10
Step by Step Solution
- Step 1: Write the proportion equation
1,768,163.40 : 2,652,245.10 = 438,467.40 : x - Step 2: Convert to fraction form
1,768,163.40/2,652,245.10 = 438,467.40/x - Step 3: Cross multiply
1,768,163.40x = 2,652,245.10 × 438,467.40 - Step 4: Simplify right side
1,768,163.40x = 1,162,923,013,159.74 - Step 5: Solve for x
x = 1,162,923,013,159.74/1,768,163.40 - Step 6: Final answer
x = 657,701.10
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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.