Finding the Fourth Proportional to 1,641,107.64, 2,264,698.80 and 915,942.24
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Solution
The fourth proportional to 1,641,107.64, 2,264,698.80 and 915,942.24 is: 1,263,983.69
Step by Step Solution
- Step 1: Write the proportion equation
1,641,107.64 : 2,264,698.80 = 915,942.24 : x - Step 2: Convert to fraction form
1,641,107.64/2,264,698.80 = 915,942.24/x - Step 3: Cross multiply
1,641,107.64x = 2,264,698.80 × 915,942.24 - Step 4: Simplify right side
1,641,107.64x = 2,074,333,291,797.31 - Step 5: Solve for x
x = 2,074,333,291,797.31/1,641,107.64 - Step 6: Final answer
x = 1,263,983.69
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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.