Finding the Fourth Proportional to 2,347,511.28, 3,239,579.04 and 1,380,682.32
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Solution
The fourth proportional to 2,347,511.28, 3,239,579.04 and 1,380,682.32 is: 1,905,349.53
Step by Step Solution
- Step 1: Write the proportion equation
2,347,511.28 : 3,239,579.04 = 1,380,682.32 : x - Step 2: Convert to fraction form
2,347,511.28/3,239,579.04 = 1,380,682.32/x - Step 3: Cross multiply
2,347,511.28x = 3,239,579.04 × 1,380,682.32 - Step 4: Simplify right side
2,347,511.28x = 4,472,829,504,770.57 - Step 5: Solve for x
x = 4,472,829,504,770.57/2,347,511.28 - Step 6: Final answer
x = 1,905,349.53
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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.