Finding the Fourth Proportional to 2,621,269.18, 3,932,352.10 and 1,201,446.90
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Solution
The fourth proportional to 2,621,269.18, 3,932,352.10 and 1,201,446.90 is: 1,802,375.84
Step by Step Solution
- Step 1: Write the proportion equation
2,621,269.18 : 3,932,352.10 = 1,201,446.90 : x - Step 2: Convert to fraction form
2,621,269.18/3,932,352.10 = 1,201,446.90/x - Step 3: Cross multiply
2,621,269.18x = 3,932,352.10 × 1,201,446.90 - Step 4: Simplify right side
2,621,269.18x = 4,724,512,240,253.49 - Step 5: Solve for x
x = 4,724,512,240,253.49/2,621,269.18 - Step 6: Final answer
x = 1,802,375.84
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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.