Finding the Fourth Proportional to 4,447,383.87, 6,124,660.80 and 4,170,256.05
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Solution
The fourth proportional to 4,447,383.87, 6,124,660.80 and 4,170,256.05 is: 5,743,017.58
Step by Step Solution
- Step 1: Write the proportion equation
4,447,383.87 : 6,124,660.80 = 4,170,256.05 : x - Step 2: Convert to fraction form
4,447,383.87/6,124,660.80 = 4,170,256.05/x - Step 3: Cross multiply
4,447,383.87x = 6,124,660.80 × 4,170,256.05 - Step 4: Simplify right side
4,447,383.87x = 25,541,403,740,413.00 - Step 5: Solve for x
x = 25,541,403,740,413.00/4,447,383.87 - Step 6: Final answer
x = 5,743,017.58
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1.5x scale
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.