Finding the Fourth Proportional to 3,171,546.84, 4,376,736.81 and 1,721,241.84
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Solution
The fourth proportional to 3,171,546.84, 4,376,736.81 and 1,721,241.84 is: 2,375,314.92
Step by Step Solution
- Step 1: Write the proportion equation
3,171,546.84 : 4,376,736.81 = 1,721,241.84 : x - Step 2: Convert to fraction form
3,171,546.84/4,376,736.81 = 1,721,241.84/x - Step 3: Cross multiply
3,171,546.84x = 4,376,736.81 × 1,721,241.84 - Step 4: Simplify right side
3,171,546.84x = 7,533,422,520,040.13 - Step 5: Solve for x
x = 7,533,422,520,040.13/3,171,546.84 - Step 6: Final answer
x = 2,375,314.92
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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.