Finding the Fourth Proportional to 1,821,939.58, 2,734,567.80 and 969,726.70
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Solution
The fourth proportional to 1,821,939.58, 2,734,567.80 and 969,726.70 is: 1,455,472.75
Step by Step Solution
- Step 1: Write the proportion equation
1,821,939.58 : 2,734,567.80 = 969,726.70 : x - Step 2: Convert to fraction form
1,821,939.58/2,734,567.80 = 969,726.70/x - Step 3: Cross multiply
1,821,939.58x = 2,734,567.80 × 969,726.70 - Step 4: Simplify right side
1,821,939.58x = 2,651,783,408,620.26 - Step 5: Solve for x
x = 2,651,783,408,620.26/1,821,939.58 - Step 6: Final answer
x = 1,455,472.75
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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.