Finding the Fourth Proportional to 1,402,043.97, 2,102,225.13 and 642,934.56
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Solution
The fourth proportional to 1,402,043.97, 2,102,225.13 and 642,934.56 is: 964,016.26
Step by Step Solution
- Step 1: Write the proportion equation
1,402,043.97 : 2,102,225.13 = 642,934.56 : x - Step 2: Convert to fraction form
1,402,043.97/2,102,225.13 = 642,934.56/x - Step 3: Cross multiply
1,402,043.97x = 2,102,225.13 × 642,934.56 - Step 4: Simplify right side
1,402,043.97x = 1,351,593,188,977.49 - Step 5: Solve for x
x = 1,351,593,188,977.49/1,402,043.97 - Step 6: Final answer
x = 964,016.26
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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.