Finding the Fourth Proportional to 3,442,558.28, 5,159,113.26 and 2,178,122.36
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Solution
The fourth proportional to 3,442,558.28, 5,159,113.26 and 2,178,122.36 is: 3,264,194.54
Step by Step Solution
- Step 1: Write the proportion equation
3,442,558.28 : 5,159,113.26 = 2,178,122.36 : x - Step 2: Convert to fraction form
3,442,558.28/5,159,113.26 = 2,178,122.36/x - Step 3: Cross multiply
3,442,558.28x = 5,159,113.26 × 2,178,122.36 - Step 4: Simplify right side
3,442,558.28x = 11,237,179,949,378.49 - Step 5: Solve for x
x = 11,237,179,949,378.49/3,442,558.28 - Step 6: Final answer
x = 3,264,194.54
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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.