Finding the Fourth Proportional to 4,589,433.20, 6,889,453.28 and 2,463,669.20
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Solution
The fourth proportional to 4,589,433.20, 6,889,453.28 and 2,463,669.20 is: 3,698,350.78
Step by Step Solution
- Step 1: Write the proportion equation
4,589,433.20 : 6,889,453.28 = 2,463,669.20 : x - Step 2: Convert to fraction form
4,589,433.20/6,889,453.28 = 2,463,669.20/x - Step 3: Cross multiply
4,589,433.20x = 6,889,453.28 × 2,463,669.20 - Step 4: Simplify right side
4,589,433.20x = 16,973,333,838,456.63 - Step 5: Solve for x
x = 16,973,333,838,456.63/4,589,433.20 - Step 6: Final answer
x = 3,698,350.78
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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.