Finding the Fourth Proportional to 2,183,762.10, 3,275,643.15 and 667,442.10
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Solution
The fourth proportional to 2,183,762.10, 3,275,643.15 and 667,442.10 is: 1,001,163.15
Step by Step Solution
- Step 1: Write the proportion equation
2,183,762.10 : 3,275,643.15 = 667,442.10 : x - Step 2: Convert to fraction form
2,183,762.10/3,275,643.15 = 667,442.10/x - Step 3: Cross multiply
2,183,762.10x = 3,275,643.15 × 667,442.10 - Step 4: Simplify right side
2,183,762.10x = 2,186,302,142,886.61 - Step 5: Solve for x
x = 2,186,302,142,886.61/2,183,762.10 - Step 6: Final answer
x = 1,001,163.15
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1.5x scale
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.