Finding the Fourth Proportional to 2,565,668.40, 3,540,366.36 and 1,419,589.68
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Solution
The fourth proportional to 2,565,668.40, 3,540,366.36 and 1,419,589.68 is: 1,958,892.10
Step by Step Solution
- Step 1: Write the proportion equation
2,565,668.40 : 3,540,366.36 = 1,419,589.68 : x - Step 2: Convert to fraction form
2,565,668.40/3,540,366.36 = 1,419,589.68/x - Step 3: Cross multiply
2,565,668.40x = 3,540,366.36 × 1,419,589.68 - Step 4: Simplify right side
2,565,668.40x = 5,025,867,548,075.16 - Step 5: Solve for x
x = 5,025,867,548,075.16/2,565,668.40 - Step 6: Final answer
x = 1,958,892.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.