Finding the Fourth Proportional to 3,844,390.20, 5,762,648.70 and 2,246,130.60
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Solution
The fourth proportional to 3,844,390.20, 5,762,648.70 and 2,246,130.60 is: 3,366,895.89
Step by Step Solution
- Step 1: Write the proportion equation
3,844,390.20 : 5,762,648.70 = 2,246,130.60 : x - Step 2: Convert to fraction form
3,844,390.20/5,762,648.70 = 2,246,130.60/x - Step 3: Cross multiply
3,844,390.20x = 5,762,648.70 × 2,246,130.60 - Step 4: Simplify right side
3,844,390.20x = 12,943,661,582,120.22 - Step 5: Solve for x
x = 12,943,661,582,120.22/3,844,390.20 - Step 6: Final answer
x = 3,366,895.89
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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.