Finding the Fourth Proportional to 2,985,793.13, 4,478,689.71 and 991,249.13
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Solution
The fourth proportional to 2,985,793.13, 4,478,689.71 and 991,249.13 is: 1,486,873.69
Step by Step Solution
- Step 1: Write the proportion equation
2,985,793.13 : 4,478,689.71 = 991,249.13 : x - Step 2: Convert to fraction form
2,985,793.13/4,478,689.71 = 991,249.13/x - Step 3: Cross multiply
2,985,793.13x = 4,478,689.71 × 991,249.13 - Step 4: Simplify right side
2,985,793.13x = 4,439,497,256,184.00 - Step 5: Solve for x
x = 4,439,497,256,184.00/2,985,793.13 - Step 6: Final answer
x = 1,486,873.69
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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.