Finding the Fourth Proportional to 2,322,958.19, 3,205,578.18 and 1,290,538.35
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Solution
The fourth proportional to 2,322,958.19, 3,205,578.18 and 1,290,538.35 is: 1,780,885.08
Step by Step Solution
- Step 1: Write the proportion equation
2,322,958.19 : 3,205,578.18 = 1,290,538.35 : x - Step 2: Convert to fraction form
2,322,958.19/3,205,578.18 = 1,290,538.35/x - Step 3: Cross multiply
2,322,958.19x = 3,205,578.18 × 1,290,538.35 - Step 4: Simplify right side
2,322,958.19x = 4,136,921,575,213.20 - Step 5: Solve for x
x = 4,136,921,575,213.20/2,322,958.19 - Step 6: Final answer
x = 1,780,885.08
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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.