Finding the Fourth Proportional to 1,826,821.20, 2,740,404.60 and 497,125.20
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Solution
The fourth proportional to 1,826,821.20, 2,740,404.60 and 497,125.20 is: 745,734.82
Step by Step Solution
- Step 1: Write the proportion equation
1,826,821.20 : 2,740,404.60 = 497,125.20 : x - Step 2: Convert to fraction form
1,826,821.20/2,740,404.60 = 497,125.20/x - Step 3: Cross multiply
1,826,821.20x = 2,740,404.60 × 497,125.20 - Step 4: Simplify right side
1,826,821.20x = 1,362,324,184,855.92 - Step 5: Solve for x
x = 1,362,324,184,855.92/1,826,821.20 - Step 6: Final answer
x = 745,734.82
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1.5x scale
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.