Finding the Fourth Proportional to 2,170,818.36, 2,995,829.34 and 1,203,891.03
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Solution
The fourth proportional to 2,170,818.36, 2,995,829.34 and 1,203,891.03 is: 1,661,425.08
Step by Step Solution
- Step 1: Write the proportion equation
2,170,818.36 : 2,995,829.34 = 1,203,891.03 : x - Step 2: Convert to fraction form
2,170,818.36/2,995,829.34 = 1,203,891.03/x - Step 3: Cross multiply
2,170,818.36x = 2,995,829.34 × 1,203,891.03 - Step 4: Simplify right side
2,170,818.36x = 3,606,652,069,836.82 - Step 5: Solve for x
x = 3,606,652,069,836.82/2,170,818.36 - Step 6: Final answer
x = 1,661,425.08
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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.