Finding the Fourth Proportional to 2,930,204.26, 4,040,108.89 and 2,153,470.25
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Solution
The fourth proportional to 2,930,204.26, 4,040,108.89 and 2,153,470.25 is: 2,969,163.08
Step by Step Solution
- Step 1: Write the proportion equation
2,930,204.26 : 4,040,108.89 = 2,153,470.25 : x - Step 2: Convert to fraction form
2,930,204.26/4,040,108.89 = 2,153,470.25/x - Step 3: Cross multiply
2,930,204.26x = 4,040,108.89 × 2,153,470.25 - Step 4: Simplify right side
2,930,204.26x = 8,700,254,306,092.12 - Step 5: Solve for x
x = 8,700,254,306,092.12/2,930,204.26 - Step 6: Final answer
x = 2,969,163.08
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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.