Finding the Fourth Proportional to 5,922,011.70, 8,172,432.45 and 3,474,664.38
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Solution
The fourth proportional to 5,922,011.70, 8,172,432.45 and 3,474,664.38 is: 4,795,069.88
Step by Step Solution
- Step 1: Write the proportion equation
5,922,011.70 : 8,172,432.45 = 3,474,664.38 : x - Step 2: Convert to fraction form
5,922,011.70/8,172,432.45 = 3,474,664.38/x - Step 3: Cross multiply
5,922,011.70x = 8,172,432.45 × 3,474,664.38 - Step 4: Simplify right side
5,922,011.70x = 28,396,459,931,971.13 - Step 5: Solve for x
x = 28,396,459,931,971.13/5,922,011.70 - Step 6: Final answer
x = 4,795,069.88
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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.