Finding the Fourth Proportional to 2,135,476.80, 3,205,029.60 and 874,209.60
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Solution
The fourth proportional to 2,135,476.80, 3,205,029.60 and 874,209.60 is: 1,312,057.17
Step by Step Solution
- Step 1: Write the proportion equation
2,135,476.80 : 3,205,029.60 = 874,209.60 : x - Step 2: Convert to fraction form
2,135,476.80/3,205,029.60 = 874,209.60/x - Step 3: Cross multiply
2,135,476.80x = 3,205,029.60 × 874,209.60 - Step 4: Simplify right side
2,135,476.80x = 2,801,867,644,604.16 - Step 5: Solve for x
x = 2,801,867,644,604.16/2,135,476.80 - Step 6: Final answer
x = 1,312,057.17
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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.