Finding the Fourth Proportional to 2,807,609.80, 4,211,414.70 and 2,144,057.80
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Solution
The fourth proportional to 2,807,609.80, 4,211,414.70 and 2,144,057.80 is: 3,216,086.70
Step by Step Solution
- Step 1: Write the proportion equation
2,807,609.80 : 4,211,414.70 = 2,144,057.80 : x - Step 2: Convert to fraction form
2,807,609.80/4,211,414.70 = 2,144,057.80/x - Step 3: Cross multiply
2,807,609.80x = 4,211,414.70 × 2,144,057.80 - Step 4: Simplify right side
2,807,609.80x = 9,029,516,536,569.66 - Step 5: Solve for x
x = 9,029,516,536,569.66/2,807,609.80 - Step 6: Final answer
x = 3,216,086.70
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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.