Finding the Fourth Proportional to 2,872,764.63, 3,964,442.79 and 1,583,651.15
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Solution
The fourth proportional to 2,872,764.63, 3,964,442.79 and 1,583,651.15 is: 2,185,453.80
Step by Step Solution
- Step 1: Write the proportion equation
2,872,764.63 : 3,964,442.79 = 1,583,651.15 : x - Step 2: Convert to fraction form
2,872,764.63/3,964,442.79 = 1,583,651.15/x - Step 3: Cross multiply
2,872,764.63x = 3,964,442.79 × 1,583,651.15 - Step 4: Simplify right side
2,872,764.63x = 6,278,294,383,492.71 - Step 5: Solve for x
x = 6,278,294,383,492.71/2,872,764.63 - Step 6: Final answer
x = 2,185,453.80
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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.