Finding the Fourth Proportional to 4,240,218.28, 6,362,429.04 and 1,681,378.36
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Solution
The fourth proportional to 4,240,218.28, 6,362,429.04 and 1,681,378.36 is: 2,522,900.90
Step by Step Solution
- Step 1: Write the proportion equation
4,240,218.28 : 6,362,429.04 = 1,681,378.36 : x - Step 2: Convert to fraction form
4,240,218.28/6,362,429.04 = 1,681,378.36/x - Step 3: Cross multiply
4,240,218.28x = 6,362,429.04 × 1,681,378.36 - Step 4: Simplify right side
4,240,218.28x = 10,697,650,504,891.57 - Step 5: Solve for x
x = 10,697,650,504,891.57/4,240,218.28 - Step 6: Final answer
x = 2,522,900.90
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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.