Finding the Fourth Proportional to 4,122,467.84, 5,689,687.60 and 2,287,517.28
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Solution
The fourth proportional to 4,122,467.84, 5,689,687.60 and 2,287,517.28 is: 3,157,152.27
Step by Step Solution
- Step 1: Write the proportion equation
4,122,467.84 : 5,689,687.60 = 2,287,517.28 : x - Step 2: Convert to fraction form
4,122,467.84/5,689,687.60 = 2,287,517.28/x - Step 3: Cross multiply
4,122,467.84x = 5,689,687.60 × 2,287,517.28 - Step 4: Simplify right side
4,122,467.84x = 13,015,258,685,718.11 - Step 5: Solve for x
x = 13,015,258,685,718.11/4,122,467.84 - Step 6: Final answer
x = 3,157,152.27
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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.