Finding the Fourth Proportional to 2,643,218.12, 3,964,991.34 and 750,107.72
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Solution
The fourth proportional to 2,643,218.12, 3,964,991.34 and 750,107.72 is: 1,125,208.17
Step by Step Solution
- Step 1: Write the proportion equation
2,643,218.12 : 3,964,991.34 = 750,107.72 : x - Step 2: Convert to fraction form
2,643,218.12/3,964,991.34 = 750,107.72/x - Step 3: Cross multiply
2,643,218.12x = 3,964,991.34 × 750,107.72 - Step 4: Simplify right side
2,643,218.12x = 2,974,170,613,867.14 - Step 5: Solve for x
x = 2,974,170,613,867.14/2,643,218.12 - Step 6: Final answer
x = 1,125,208.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.