Finding the Fourth Proportional to 5,509,436.21, 8,265,009.97 and 2,812,302.05
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Solution
The fourth proportional to 5,509,436.21, 8,265,009.97 and 2,812,302.05 is: 4,218,889.85
Step by Step Solution
- Step 1: Write the proportion equation
5,509,436.21 : 8,265,009.97 = 2,812,302.05 : x - Step 2: Convert to fraction form
5,509,436.21/8,265,009.97 = 2,812,302.05/x - Step 3: Cross multiply
5,509,436.21x = 8,265,009.97 × 2,812,302.05 - Step 4: Simplify right side
5,509,436.21x = 23,243,704,481,901.44 - Step 5: Solve for x
x = 23,243,704,481,901.44/5,509,436.21 - Step 6: Final answer
x = 4,218,889.85
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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.