Finding the Fourth Proportional to 3,964,905.14, 5,947,338.21 and 1,125,022.46
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Solution
The fourth proportional to 3,964,905.14, 5,947,338.21 and 1,125,022.46 is: 1,687,528.16
Step by Step Solution
- Step 1: Write the proportion equation
3,964,905.14 : 5,947,338.21 = 1,125,022.46 : x - Step 2: Convert to fraction form
3,964,905.14/5,947,338.21 = 1,125,022.46/x - Step 3: Cross multiply
3,964,905.14x = 5,947,338.21 × 1,125,022.46 - Step 4: Simplify right side
3,964,905.14x = 6,690,889,063,466.20 - Step 5: Solve for x
x = 6,690,889,063,466.20/3,964,905.14 - Step 6: Final answer
x = 1,687,528.16
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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.