Finding the Fourth Proportional to 2,141,053.36, 2,954,691.68 and 1,174,175.19
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Solution
The fourth proportional to 2,141,053.36, 2,954,691.68 and 1,174,175.19 is: 1,620,382.62
Step by Step Solution
- Step 1: Write the proportion equation
2,141,053.36 : 2,954,691.68 = 1,174,175.19 : x - Step 2: Convert to fraction form
2,141,053.36/2,954,691.68 = 1,174,175.19/x - Step 3: Cross multiply
2,141,053.36x = 2,954,691.68 × 1,174,175.19 - Step 4: Simplify right side
2,141,053.36x = 3,469,325,658,884.54 - Step 5: Solve for x
x = 3,469,325,658,884.54/2,141,053.36 - Step 6: Final answer
x = 1,620,382.62
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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.