Finding the Fourth Proportional to 2,053,053.44, 2,831,808 and 1,338,629.12
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Solution
The fourth proportional to 2,053,053.44, 2,831,808 and 1,338,629.12 is: 1,846,391.61
Step by Step Solution
- Step 1: Write the proportion equation
2,053,053.44 : 2,831,808 = 1,338,629.12 : x - Step 2: Convert to fraction form
2,053,053.44/2,831,808 = 1,338,629.12/x - Step 3: Cross multiply
2,053,053.44x = 2,831,808 × 1,338,629.12 - Step 4: Simplify right side
2,053,053.44x = 3,790,740,651,048.96 - Step 5: Solve for x
x = 3,790,740,651,048.96/2,053,053.44 - Step 6: Final answer
x = 1,846,391.61
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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.