Finding the Fourth Proportional to 5,534,913.12, 8,302,425.48 and 1,940,766.66
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Solution
The fourth proportional to 5,534,913.12, 8,302,425.48 and 1,940,766.66 is: 2,911,169.56
Step by Step Solution
- Step 1: Write the proportion equation
5,534,913.12 : 8,302,425.48 = 1,940,766.66 : x - Step 2: Convert to fraction form
5,534,913.12/8,302,425.48 = 1,940,766.66/x - Step 3: Cross multiply
5,534,913.12x = 8,302,425.48 × 1,940,766.66 - Step 4: Simplify right side
5,534,913.12x = 16,113,070,568,718.50 - Step 5: Solve for x
x = 16,113,070,568,718.50/5,534,913.12 - Step 6: Final answer
x = 2,911,169.56
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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.