Finding the Fourth Proportional to 4,081,801.54, 6,122,761.12 and 1,422,409.54
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Solution
The fourth proportional to 4,081,801.54, 6,122,761.12 and 1,422,409.54 is: 2,133,634.80
Step by Step Solution
- Step 1: Write the proportion equation
4,081,801.54 : 6,122,761.12 = 1,422,409.54 : x - Step 2: Convert to fraction form
4,081,801.54/6,122,761.12 = 1,422,409.54/x - Step 3: Cross multiply
4,081,801.54x = 6,122,761.12 × 1,422,409.54 - Step 4: Simplify right side
4,081,801.54x = 8,709,073,828,229.09 - Step 5: Solve for x
x = 8,709,073,828,229.09/4,081,801.54 - Step 6: Final answer
x = 2,133,634.80
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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.