Finding the Fourth Proportional to 5,627,321.06, 8,432,129.91 and 4,351,046.18
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Solution
The fourth proportional to 5,627,321.06, 8,432,129.91 and 4,351,046.18 is: 6,519,725.15
Step by Step Solution
- Step 1: Write the proportion equation
5,627,321.06 : 8,432,129.91 = 4,351,046.18 : x - Step 2: Convert to fraction form
5,627,321.06/8,432,129.91 = 4,351,046.18/x - Step 3: Cross multiply
5,627,321.06x = 8,432,129.91 × 4,351,046.18 - Step 4: Simplify right side
5,627,321.06x = 36,688,586,634,169.24 - Step 5: Solve for x
x = 36,688,586,634,169.24/5,627,321.06 - Step 6: Final answer
x = 6,519,725.15
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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.