Finding the Fourth Proportional to 2,784,863.74, 4,176,485.22 and 1,078,626.48
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Solution
The fourth proportional to 2,784,863.74, 4,176,485.22 and 1,078,626.48 is: 1,617,625.84
Step by Step Solution
- Step 1: Write the proportion equation
2,784,863.74 : 4,176,485.22 = 1,078,626.48 : x - Step 2: Convert to fraction form
2,784,863.74/4,176,485.22 = 1,078,626.48/x - Step 3: Cross multiply
2,784,863.74x = 4,176,485.22 × 1,078,626.48 - Step 4: Simplify right side
2,784,863.74x = 4,504,867,551,620.63 - Step 5: Solve for x
x = 4,504,867,551,620.63/2,784,863.74 - Step 6: Final answer
x = 1,617,625.84
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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.