Finding the Fourth Proportional to 4,234,138.56, 6,351,212.88 and 1,160,155.65
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Solution
The fourth proportional to 4,234,138.56, 6,351,212.88 and 1,160,155.65 is: 1,740,234.86
Step by Step Solution
- Step 1: Write the proportion equation
4,234,138.56 : 6,351,212.88 = 1,160,155.65 : x - Step 2: Convert to fraction form
4,234,138.56/6,351,212.88 = 1,160,155.65/x - Step 3: Cross multiply
4,234,138.56x = 6,351,212.88 × 1,160,155.65 - Step 4: Simplify right side
4,234,138.56x = 7,368,395,507,084.77 - Step 5: Solve for x
x = 7,368,395,507,084.77/4,234,138.56 - Step 6: Final answer
x = 1,740,234.86
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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.