Finding the Fourth Proportional to 2,287,135.28, 3,156,624.60 and 1,268,868.08
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Solution
The fourth proportional to 2,287,135.28, 3,156,624.60 and 1,268,868.08 is: 1,751,247.61
Step by Step Solution
- Step 1: Write the proportion equation
2,287,135.28 : 3,156,624.60 = 1,268,868.08 : x - Step 2: Convert to fraction form
2,287,135.28/3,156,624.60 = 1,268,868.08/x - Step 3: Cross multiply
2,287,135.28x = 3,156,624.60 × 1,268,868.08 - Step 4: Simplify right side
2,287,135.28x = 4,005,340,195,482.77 - Step 5: Solve for x
x = 4,005,340,195,482.77/2,287,135.28 - Step 6: Final answer
x = 1,751,247.61
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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.