Finding the Fourth Proportional to 1,990,294.26, 2,983,673.37 and 775,589.70
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Solution
The fourth proportional to 1,990,294.26, 2,983,673.37 and 775,589.70 is: 1,162,695.58
Step by Step Solution
- Step 1: Write the proportion equation
1,990,294.26 : 2,983,673.37 = 775,589.70 : x - Step 2: Convert to fraction form
1,990,294.26/2,983,673.37 = 775,589.70/x - Step 3: Cross multiply
1,990,294.26x = 2,983,673.37 × 775,589.70 - Step 4: Simplify right side
1,990,294.26x = 2,314,106,333,936.29 - Step 5: Solve for x
x = 2,314,106,333,936.29/1,990,294.26 - Step 6: Final answer
x = 1,162,695.58
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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.