Finding the Fourth Proportional to 3,240,778.75, 4,862,206.60 and 2,269,155.13
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Solution
The fourth proportional to 3,240,778.75, 4,862,206.60 and 2,269,155.13 is: 3,404,459.83
Step by Step Solution
- Step 1: Write the proportion equation
3,240,778.75 : 4,862,206.60 = 2,269,155.13 : x - Step 2: Convert to fraction form
3,240,778.75/4,862,206.60 = 2,269,155.13/x - Step 3: Cross multiply
3,240,778.75x = 4,862,206.60 × 2,269,155.13 - Step 4: Simplify right side
3,240,778.75x = 11,033,101,049,509.86 - Step 5: Solve for x
x = 11,033,101,049,509.86/3,240,778.75 - Step 6: Final answer
x = 3,404,459.83
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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.