Finding the Fourth Proportional to 2,631,537.80, 3,631,135.60 and 1,469,840.96
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Solution
The fourth proportional to 2,631,537.80, 3,631,135.60 and 1,469,840.96 is: 2,028,164.61
Step by Step Solution
- Step 1: Write the proportion equation
2,631,537.80 : 3,631,135.60 = 1,469,840.96 : x - Step 2: Convert to fraction form
2,631,537.80/3,631,135.60 = 1,469,840.96/x - Step 3: Cross multiply
2,631,537.80x = 3,631,135.60 × 1,469,840.96 - Step 4: Simplify right side
2,631,537.80x = 5,337,191,836,194.18 - Step 5: Solve for x
x = 5,337,191,836,194.18/2,631,537.80 - Step 6: Final answer
x = 2,028,164.61
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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.