Finding the Fourth Proportional to 3,621,772.35, 4,993,051.55 and 2,889,212.94
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Solution
The fourth proportional to 3,621,772.35, 4,993,051.55 and 2,889,212.94 is: 3,983,129.73
Step by Step Solution
- Step 1: Write the proportion equation
3,621,772.35 : 4,993,051.55 = 2,889,212.94 : x - Step 2: Convert to fraction form
3,621,772.35/4,993,051.55 = 2,889,212.94/x - Step 3: Cross multiply
3,621,772.35x = 4,993,051.55 × 2,889,212.94 - Step 4: Simplify right side
3,621,772.35x = 14,425,989,133,900.99 - Step 5: Solve for x
x = 14,425,989,133,900.99/3,621,772.35 - Step 6: Final answer
x = 3,983,129.73
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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.