Finding the Fourth Proportional to 2,868,202.98, 3,958,406.03 and 2,141,789.56
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Solution
The fourth proportional to 2,868,202.98, 3,958,406.03 and 2,141,789.56 is: 2,955,883.10
Step by Step Solution
- Step 1: Write the proportion equation
2,868,202.98 : 3,958,406.03 = 2,141,789.56 : x - Step 2: Convert to fraction form
2,868,202.98/3,958,406.03 = 2,141,789.56/x - Step 3: Cross multiply
2,868,202.98x = 3,958,406.03 × 2,141,789.56 - Step 4: Simplify right side
2,868,202.98x = 8,478,072,709,295.05 - Step 5: Solve for x
x = 8,478,072,709,295.05/2,868,202.98 - Step 6: Final answer
x = 2,955,883.10
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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.