Finding the Fourth Proportional to 1,434,207.94, 2,151,311.91 and 487,578.66
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Solution
The fourth proportional to 1,434,207.94, 2,151,311.91 and 487,578.66 is: 731,367.99
Step by Step Solution
- Step 1: Write the proportion equation
1,434,207.94 : 2,151,311.91 = 487,578.66 : x - Step 2: Convert to fraction form
1,434,207.94/2,151,311.91 = 487,578.66/x - Step 3: Cross multiply
1,434,207.94x = 2,151,311.91 × 487,578.66 - Step 4: Simplify right side
1,434,207.94x = 1,048,933,778,319.84 - Step 5: Solve for x
x = 1,048,933,778,319.84/1,434,207.94 - Step 6: Final answer
x = 731,367.99
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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.