Finding the Fourth Proportional to 1,793,138.14, 2,689,693.78 and 513,746.70
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Solution
The fourth proportional to 1,793,138.14, 2,689,693.78 and 513,746.70 is: 770,616.20
Step by Step Solution
- Step 1: Write the proportion equation
1,793,138.14 : 2,689,693.78 = 513,746.70 : x - Step 2: Convert to fraction form
1,793,138.14/2,689,693.78 = 513,746.70/x - Step 3: Cross multiply
1,793,138.14x = 2,689,693.78 × 513,746.70 - Step 4: Simplify right side
1,793,138.14x = 1,381,821,303,485.53 - Step 5: Solve for x
x = 1,381,821,303,485.53/1,793,138.14 - Step 6: Final answer
x = 770,616.20
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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.