Finding the Fourth Proportional to 1,394,077.99, 2,091,204.46 and 447,427.75
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Solution
The fourth proportional to 1,394,077.99, 2,091,204.46 and 447,427.75 is: 671,169.70
Step by Step Solution
- Step 1: Write the proportion equation
1,394,077.99 : 2,091,204.46 = 447,427.75 : x - Step 2: Convert to fraction form
1,394,077.99/2,091,204.46 = 447,427.75/x - Step 3: Cross multiply
1,394,077.99x = 2,091,204.46 × 447,427.75 - Step 4: Simplify right side
1,394,077.99x = 935,662,901,659.04 - Step 5: Solve for x
x = 935,662,901,659.04/1,394,077.99 - Step 6: Final answer
x = 671,169.70
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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.