Finding the Fourth Proportional to 3,322,880.28, 4,585,709.70 and 1,872,636.84
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Solution
The fourth proportional to 3,322,880.28, 4,585,709.70 and 1,872,636.84 is: 2,584,314.87
Step by Step Solution
- Step 1: Write the proportion equation
3,322,880.28 : 4,585,709.70 = 1,872,636.84 : x - Step 2: Convert to fraction form
3,322,880.28/4,585,709.70 = 1,872,636.84/x - Step 3: Cross multiply
3,322,880.28x = 4,585,709.70 × 1,872,636.84 - Step 4: Simplify right side
3,322,880.28x = 8,587,368,921,765.35 - Step 5: Solve for x
x = 8,587,368,921,765.35/3,322,880.28 - Step 6: Final answer
x = 2,584,314.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.