Finding the Fourth Proportional to 1,913,175.62, 2,869,928.67 and 493,219.70
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Solution
The fourth proportional to 1,913,175.62, 2,869,928.67 and 493,219.70 is: 739,872.15
Step by Step Solution
- Step 1: Write the proportion equation
1,913,175.62 : 2,869,928.67 = 493,219.70 : x - Step 2: Convert to fraction form
1,913,175.62/2,869,928.67 = 493,219.70/x - Step 3: Cross multiply
1,913,175.62x = 2,869,928.67 × 493,219.70 - Step 4: Simplify right side
1,913,175.62x = 1,415,505,357,638.80 - Step 5: Solve for x
x = 1,415,505,357,638.80/1,913,175.62 - Step 6: Final answer
x = 739,872.15
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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.