Finding the Fourth Proportional to 3,295,918.40, 4,947,073.92 and 1,591,263.68
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Solution
The fourth proportional to 3,295,918.40, 4,947,073.92 and 1,591,263.68 is: 2,388,438.70
Step by Step Solution
- Step 1: Write the proportion equation
3,295,918.40 : 4,947,073.92 = 1,591,263.68 : x - Step 2: Convert to fraction form
3,295,918.40/4,947,073.92 = 1,591,263.68/x - Step 3: Cross multiply
3,295,918.40x = 4,947,073.92 × 1,591,263.68 - Step 4: Simplify right side
3,295,918.40x = 7,872,099,051,171.23 - Step 5: Solve for x
x = 7,872,099,051,171.23/3,295,918.40 - Step 6: Final answer
x = 2,388,438.70
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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.