Finding the Fourth Proportional to 2,887,339.20, 4,331,397.60 and 994,660.80
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Solution
The fourth proportional to 2,887,339.20, 4,331,397.60 and 994,660.80 is: 1,492,125.14
Step by Step Solution
- Step 1: Write the proportion equation
2,887,339.20 : 4,331,397.60 = 994,660.80 : x - Step 2: Convert to fraction form
2,887,339.20/4,331,397.60 = 994,660.80/x - Step 3: Cross multiply
2,887,339.20x = 4,331,397.60 × 994,660.80 - Step 4: Simplify right side
2,887,339.20x = 4,308,271,401,934.08 - Step 5: Solve for x
x = 4,308,271,401,934.08/2,887,339.20 - Step 6: Final answer
x = 1,492,125.14
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1.5x scale
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.