Finding the Fourth Proportional to 2,170,760.95, 2,995,833.97 and 1,204,202.53
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Solution
The fourth proportional to 2,170,760.95, 2,995,833.97 and 1,204,202.53 is: 1,661,901.49
Step by Step Solution
- Step 1: Write the proportion equation
2,170,760.95 : 2,995,833.97 = 1,204,202.53 : x - Step 2: Convert to fraction form
2,170,760.95/2,995,833.97 = 1,204,202.53/x - Step 3: Cross multiply
2,170,760.95x = 2,995,833.97 × 1,204,202.53 - Step 4: Simplify right side
2,170,760.95x = 3,607,590,851,383.99 - Step 5: Solve for x
x = 3,607,590,851,383.99/2,170,760.95 - Step 6: Final answer
x = 1,661,901.49
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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.