Finding the Fourth Proportional to 4,170,821.70, 6,256,232.55 and 1,478,187.30
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Solution
The fourth proportional to 4,170,821.70, 6,256,232.55 and 1,478,187.30 is: 2,217,280.95
Step by Step Solution
- Step 1: Write the proportion equation
4,170,821.70 : 6,256,232.55 = 1,478,187.30 : x - Step 2: Convert to fraction form
4,170,821.70/6,256,232.55 = 1,478,187.30/x - Step 3: Cross multiply
4,170,821.70x = 6,256,232.55 × 1,478,187.30 - Step 4: Simplify right side
4,170,821.70x = 9,247,883,501,256.62 - Step 5: Solve for x
x = 9,247,883,501,256.62/4,170,821.70 - Step 6: Final answer
x = 2,217,280.95
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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.