Finding the Fourth Proportional to 1,815,863.20, 2,723,138.70 and 735,922.60
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Solution
The fourth proportional to 1,815,863.20, 2,723,138.70 and 735,922.60 is: 1,103,618.00
Step by Step Solution
- Step 1: Write the proportion equation
1,815,863.20 : 2,723,138.70 = 735,922.60 : x - Step 2: Convert to fraction form
1,815,863.20/2,723,138.70 = 735,922.60/x - Step 3: Cross multiply
1,815,863.20x = 2,723,138.70 × 735,922.60 - Step 4: Simplify right side
1,815,863.20x = 2,004,019,312,264.62 - Step 5: Solve for x
x = 2,004,019,312,264.62/1,815,863.20 - Step 6: Final answer
x = 1,103,618.00
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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.