Finding the Fourth Proportional to 1,317,934.62, 1,818,918.21 and 737,190.02
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Solution
The fourth proportional to 1,317,934.62, 1,818,918.21 and 737,190.02 is: 1,017,416.44
Step by Step Solution
- Step 1: Write the proportion equation
1,317,934.62 : 1,818,918.21 = 737,190.02 : x - Step 2: Convert to fraction form
1,317,934.62/1,818,918.21 = 737,190.02/x - Step 3: Cross multiply
1,317,934.62x = 1,818,918.21 × 737,190.02 - Step 4: Simplify right side
1,317,934.62x = 1,340,888,351,608.26 - Step 5: Solve for x
x = 1,340,888,351,608.26/1,317,934.62 - Step 6: Final answer
x = 1,017,416.44
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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.