Finding the Fourth Proportional to 2,546,257.21, 3,819,858.08 and 840,519.32
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Solution
The fourth proportional to 2,546,257.21, 3,819,858.08 and 840,519.32 is: 1,260,934.87
Step by Step Solution
- Step 1: Write the proportion equation
2,546,257.21 : 3,819,858.08 = 840,519.32 : x - Step 2: Convert to fraction form
2,546,257.21/3,819,858.08 = 840,519.32/x - Step 3: Cross multiply
2,546,257.21x = 3,819,858.08 × 840,519.32 - Step 4: Simplify right side
2,546,257.21x = 3,210,664,492,596.22 - Step 5: Solve for x
x = 3,210,664,492,596.22/2,546,257.21 - Step 6: Final answer
x = 1,260,934.87
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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.