Finding the Fourth Proportional to 3,832,346.21, 5,746,381.22 and 1,272,170.81
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Solution
The fourth proportional to 3,832,346.21, 5,746,381.22 and 1,272,170.81 is: 1,907,546.45
Step by Step Solution
- Step 1: Write the proportion equation
3,832,346.21 : 5,746,381.22 = 1,272,170.81 : x - Step 2: Convert to fraction form
3,832,346.21/5,746,381.22 = 1,272,170.81/x - Step 3: Cross multiply
3,832,346.21x = 5,746,381.22 × 1,272,170.81 - Step 4: Simplify right side
3,832,346.21x = 7,310,378,422,484.28 - Step 5: Solve for x
x = 7,310,378,422,484.28/3,832,346.21 - Step 6: Final answer
x = 1,907,546.45
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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.