Finding the Fourth Proportional to 1,549,367.12, 2,324,184.58 and 427,436.12
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Solution
The fourth proportional to 1,549,367.12, 2,324,184.58 and 427,436.12 is: 641,191.12
Step by Step Solution
- Step 1: Write the proportion equation
1,549,367.12 : 2,324,184.58 = 427,436.12 : x - Step 2: Convert to fraction form
1,549,367.12/2,324,184.58 = 427,436.12/x - Step 3: Cross multiply
1,549,367.12x = 2,324,184.58 × 427,436.12 - Step 4: Simplify right side
1,549,367.12x = 993,440,439,039.03 - Step 5: Solve for x
x = 993,440,439,039.03/1,549,367.12 - Step 6: Final answer
x = 641,191.12
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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.