Finding the Fourth Proportional to 1,790,249.63, 2,685,348.15 and 442,412.21
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Solution
The fourth proportional to 1,790,249.63, 2,685,348.15 and 442,412.21 is: 663,611.81
Step by Step Solution
- Step 1: Write the proportion equation
1,790,249.63 : 2,685,348.15 = 442,412.21 : x - Step 2: Convert to fraction form
1,790,249.63/2,685,348.15 = 442,412.21/x - Step 3: Cross multiply
1,790,249.63x = 2,685,348.15 × 442,412.21 - Step 4: Simplify right side
1,790,249.63x = 1,188,030,803,343.01 - Step 5: Solve for x
x = 1,188,030,803,343.01/1,790,249.63 - Step 6: Final answer
x = 663,611.81
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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.