Finding the Fourth Proportional to 1,422,470.07, 1,963,042.79 and 810,609.75
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Solution
The fourth proportional to 1,422,470.07, 1,963,042.79 and 810,609.75 is: 1,118,660.88
Step by Step Solution
- Step 1: Write the proportion equation
1,422,470.07 : 1,963,042.79 = 810,609.75 : x - Step 2: Convert to fraction form
1,422,470.07/1,963,042.79 = 810,609.75/x - Step 3: Cross multiply
1,422,470.07x = 1,963,042.79 × 810,609.75 - Step 4: Simplify right side
1,422,470.07x = 1,591,261,621,188.15 - Step 5: Solve for x
x = 1,591,261,621,188.15/1,422,470.07 - Step 6: Final answer
x = 1,118,660.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.