Finding the Fourth Proportional to 3,549,682.40, 5,324,523.60 and 1,656,615.20
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Solution
The fourth proportional to 3,549,682.40, 5,324,523.60 and 1,656,615.20 is: 2,484,922.80
Step by Step Solution
- Step 1: Write the proportion equation
3,549,682.40 : 5,324,523.60 = 1,656,615.20 : x - Step 2: Convert to fraction form
3,549,682.40/5,324,523.60 = 1,656,615.20/x - Step 3: Cross multiply
3,549,682.40x = 5,324,523.60 × 1,656,615.20 - Step 4: Simplify right side
3,549,682.40x = 8,820,686,728,518.72 - Step 5: Solve for x
x = 8,820,686,728,518.72/3,549,682.40 - Step 6: Final answer
x = 2,484,922.80
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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.