Finding the Fourth Proportional to 3,893,598.25, 5,373,133.99 and 2,151,262.13
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Solution
The fourth proportional to 3,893,598.25, 5,373,133.99 and 2,151,262.13 is: 2,968,724.28
Step by Step Solution
- Step 1: Write the proportion equation
3,893,598.25 : 5,373,133.99 = 2,151,262.13 : x - Step 2: Convert to fraction form
3,893,598.25/5,373,133.99 = 2,151,262.13/x - Step 3: Cross multiply
3,893,598.25x = 5,373,133.99 × 2,151,262.13 - Step 4: Simplify right side
3,893,598.25x = 11,559,019,639,858.97 - Step 5: Solve for x
x = 11,559,019,639,858.97/3,893,598.25 - Step 6: Final answer
x = 2,968,724.28
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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.