Finding the Fourth Proportional to 2,168,640.80, 3,251,895.04 and 888,901.44
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Solution
The fourth proportional to 2,168,640.80, 3,251,895.04 and 888,901.44 is: 1,332,915.15
Step by Step Solution
- Step 1: Write the proportion equation
2,168,640.80 : 3,251,895.04 = 888,901.44 : x - Step 2: Convert to fraction form
2,168,640.80/3,251,895.04 = 888,901.44/x - Step 3: Cross multiply
2,168,640.80x = 3,251,895.04 × 888,901.44 - Step 4: Simplify right side
2,168,640.80x = 2,890,614,183,784.86 - Step 5: Solve for x
x = 2,890,614,183,784.86/2,168,640.80 - Step 6: Final answer
x = 1,332,915.15
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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.