Finding the Fourth Proportional to 2,320,212.21, 3,201,914.70 and 1,301,638.83
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Solution
The fourth proportional to 2,320,212.21, 3,201,914.70 and 1,301,638.83 is: 1,796,273.84
Step by Step Solution
- Step 1: Write the proportion equation
2,320,212.21 : 3,201,914.70 = 1,301,638.83 : x - Step 2: Convert to fraction form
2,320,212.21/3,201,914.70 = 1,301,638.83/x - Step 3: Cross multiply
2,320,212.21x = 3,201,914.70 × 1,301,638.83 - Step 4: Simplify right side
2,320,212.21x = 4,167,736,503,867.80 - Step 5: Solve for x
x = 4,167,736,503,867.80/2,320,212.21 - Step 6: Final answer
x = 1,796,273.84
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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.