Finding the Fourth Proportional to 3,520,348.25, 4,857,247.59 and 1,992,455.42
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Solution
The fourth proportional to 3,520,348.25, 4,857,247.59 and 1,992,455.42 is: 2,749,117.02
Step by Step Solution
- Step 1: Write the proportion equation
3,520,348.25 : 4,857,247.59 = 1,992,455.42 : x - Step 2: Convert to fraction form
3,520,348.25/4,857,247.59 = 1,992,455.42/x - Step 3: Cross multiply
3,520,348.25x = 4,857,247.59 × 1,992,455.42 - Step 4: Simplify right side
3,520,348.25x = 9,677,849,286,977.44 - Step 5: Solve for x
x = 9,677,849,286,977.44/3,520,348.25 - Step 6: Final answer
x = 2,749,117.02
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1.5x scale
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.