Finding the Fourth Proportional to 3,074,374.28, 4,611,729.26 and 1,277,439.50
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Solution
The fourth proportional to 3,074,374.28, 4,611,729.26 and 1,277,439.50 is: 1,916,228.99
Step by Step Solution
- Step 1: Write the proportion equation
3,074,374.28 : 4,611,729.26 = 1,277,439.50 : x - Step 2: Convert to fraction form
3,074,374.28/4,611,729.26 = 1,277,439.50/x - Step 3: Cross multiply
3,074,374.28x = 4,611,729.26 × 1,277,439.50 - Step 4: Simplify right side
3,074,374.28x = 5,891,205,100,164.72 - Step 5: Solve for x
x = 5,891,205,100,164.72/3,074,374.28 - Step 6: Final answer
x = 1,916,228.99
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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.