Finding the Fourth Proportional to 2,979,117.80, 4,469,259.90 and 1,273,257.80
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Solution
The fourth proportional to 2,979,117.80, 4,469,259.90 and 1,273,257.80 is: 1,910,135.96
Step by Step Solution
- Step 1: Write the proportion equation
2,979,117.80 : 4,469,259.90 = 1,273,257.80 : x - Step 2: Convert to fraction form
2,979,117.80/4,469,259.90 = 1,273,257.80/x - Step 3: Cross multiply
2,979,117.80x = 4,469,259.90 × 1,273,257.80 - Step 4: Simplify right side
2,979,117.80x = 5,690,520,027,902.22 - Step 5: Solve for x
x = 5,690,520,027,902.22/2,979,117.80 - Step 6: Final answer
x = 1,910,135.96
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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.