Finding the Fourth Proportional to 2,942,217.05, 4,060,308.09 and 1,617,696.75
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Solution
The fourth proportional to 2,942,217.05, 4,060,308.09 and 1,617,696.75 is: 2,232,448.21
Step by Step Solution
- Step 1: Write the proportion equation
2,942,217.05 : 4,060,308.09 = 1,617,696.75 : x - Step 2: Convert to fraction form
2,942,217.05/4,060,308.09 = 1,617,696.75/x - Step 3: Cross multiply
2,942,217.05x = 4,060,308.09 × 1,617,696.75 - Step 4: Simplify right side
2,942,217.05x = 6,568,347,196,748.36 - Step 5: Solve for x
x = 6,568,347,196,748.36/2,942,217.05 - Step 6: Final answer
x = 2,232,448.21
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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.