Finding the Fourth Proportional to 2,522,143.22, 3,480,641.64 and 1,376,286.44
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Solution
The fourth proportional to 2,522,143.22, 3,480,641.64 and 1,376,286.44 is: 1,899,321.12
Step by Step Solution
- Step 1: Write the proportion equation
2,522,143.22 : 3,480,641.64 = 1,376,286.44 : x - Step 2: Convert to fraction form
2,522,143.22/3,480,641.64 = 1,376,286.44/x - Step 3: Cross multiply
2,522,143.22x = 3,480,641.64 × 1,376,286.44 - Step 4: Simplify right side
2,522,143.22x = 4,790,359,874,228.15 - Step 5: Solve for x
x = 4,790,359,874,228.15/2,522,143.22 - Step 6: Final answer
x = 1,899,321.12
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1.5x scale
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.