Finding the Fourth Proportional to 2,170,669.50, 2,995,523.91 and 1,203,947.82
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Solution
The fourth proportional to 2,170,669.50, 2,995,523.91 and 1,203,947.82 is: 1,661,447.99
Step by Step Solution
- Step 1: Write the proportion equation
2,170,669.50 : 2,995,523.91 = 1,203,947.82 : x - Step 2: Convert to fraction form
2,170,669.50/2,995,523.91 = 1,203,947.82/x - Step 3: Cross multiply
2,170,669.50x = 2,995,523.91 × 1,203,947.82 - Step 4: Simplify right side
2,170,669.50x = 3,606,454,481,202.38 - Step 5: Solve for x
x = 3,606,454,481,202.38/2,170,669.50 - Step 6: Final answer
x = 1,661,447.99
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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.