Finding the Fourth Proportional to 4,127,882.20, 6,191,823.30 and 2,214,694.60
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Solution
The fourth proportional to 4,127,882.20, 6,191,823.30 and 2,214,694.60 is: 3,322,041.90
Step by Step Solution
- Step 1: Write the proportion equation
4,127,882.20 : 6,191,823.30 = 2,214,694.60 : x - Step 2: Convert to fraction form
4,127,882.20/6,191,823.30 = 2,214,694.60/x - Step 3: Cross multiply
4,127,882.20x = 6,191,823.30 × 2,214,694.60 - Step 4: Simplify right side
4,127,882.20x = 13,712,997,626,664.18 - Step 5: Solve for x
x = 13,712,997,626,664.18/4,127,882.20 - Step 6: Final answer
x = 3,322,041.90
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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.