Finding the Fourth Proportional to 3,220,824.22, 4,837,629.90 and 1,926,470.14
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Solution
The fourth proportional to 3,220,824.22, 4,837,629.90 and 1,926,470.14 is: 2,893,529.39
Step by Step Solution
- Step 1: Write the proportion equation
3,220,824.22 : 4,837,629.90 = 1,926,470.14 : x - Step 2: Convert to fraction form
3,220,824.22/4,837,629.90 = 1,926,470.14/x - Step 3: Cross multiply
3,220,824.22x = 4,837,629.90 × 1,926,470.14 - Step 4: Simplify right side
3,220,824.22x = 9,319,549,550,721.19 - Step 5: Solve for x
x = 9,319,549,550,721.19/3,220,824.22 - Step 6: Final answer
x = 2,893,529.39
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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.