Finding the Fourth Proportional to 1,531,234.14, 2,296,676.24 and 409,390.62
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Solution
The fourth proportional to 1,531,234.14, 2,296,676.24 and 409,390.62 is: 614,039.15
Step by Step Solution
- Step 1: Write the proportion equation
1,531,234.14 : 2,296,676.24 = 409,390.62 : x - Step 2: Convert to fraction form
1,531,234.14/2,296,676.24 = 409,390.62/x - Step 3: Cross multiply
1,531,234.14x = 2,296,676.24 × 409,390.62 - Step 4: Simplify right side
1,531,234.14x = 940,237,700,708.60 - Step 5: Solve for x
x = 940,237,700,708.60/1,531,234.14 - Step 6: Final answer
x = 614,039.15
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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.