Finding the Fourth Proportional to 2,781,716.11, 4,173,170.96 and 862,586.08
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Solution
The fourth proportional to 2,781,716.11, 4,173,170.96 and 862,586.08 is: 1,294,064.18
Step by Step Solution
- Step 1: Write the proportion equation
2,781,716.11 : 4,173,170.96 = 862,586.08 : x - Step 2: Convert to fraction form
2,781,716.11/4,173,170.96 = 862,586.08/x - Step 3: Cross multiply
2,781,716.11x = 4,173,170.96 × 862,586.08 - Step 4: Simplify right side
2,781,716.11x = 3,599,719,171,279.77 - Step 5: Solve for x
x = 3,599,719,171,279.77/2,781,716.11 - Step 6: Final answer
x = 1,294,064.18
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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.