Finding the Fourth Proportional to 3,618,140.98, 4,995,371.21 and 2,242,954.31
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Solution
The fourth proportional to 3,618,140.98, 4,995,371.21 and 2,242,954.31 is: 3,096,725.49
Step by Step Solution
- Step 1: Write the proportion equation
3,618,140.98 : 4,995,371.21 = 2,242,954.31 : x - Step 2: Convert to fraction form
3,618,140.98/4,995,371.21 = 2,242,954.31/x - Step 3: Cross multiply
3,618,140.98x = 4,995,371.21 × 2,242,954.31 - Step 4: Simplify right side
3,618,140.98x = 11,204,389,385,519.42 - Step 5: Solve for x
x = 11,204,389,385,519.42/3,618,140.98 - Step 6: Final answer
x = 3,096,725.49
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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.