Finding the Fourth Proportional to 1,697,821.26, 2,342,944.50 and 933,874.90
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Solution
The fourth proportional to 1,697,821.26, 2,342,944.50 and 933,874.90 is: 1,288,720.50
Step by Step Solution
- Step 1: Write the proportion equation
1,697,821.26 : 2,342,944.50 = 933,874.90 : x - Step 2: Convert to fraction form
1,697,821.26/2,342,944.50 = 933,874.90/x - Step 3: Cross multiply
1,697,821.26x = 2,342,944.50 × 933,874.90 - Step 4: Simplify right side
1,697,821.26x = 2,188,017,060,643.05 - Step 5: Solve for x
x = 2,188,017,060,643.05/1,697,821.26 - Step 6: Final answer
x = 1,288,720.50
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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.