Finding the Fourth Proportional to 3,387,837.84, 5,077,271.88 and 2,485,052.88
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Solution
The fourth proportional to 3,387,837.84, 5,077,271.88 and 2,485,052.88 is: 3,724,289.56
Step by Step Solution
- Step 1: Write the proportion equation
3,387,837.84 : 5,077,271.88 = 2,485,052.88 : x - Step 2: Convert to fraction form
3,387,837.84/5,077,271.88 = 2,485,052.88/x - Step 3: Cross multiply
3,387,837.84x = 5,077,271.88 × 2,485,052.88 - Step 4: Simplify right side
3,387,837.84x = 12,617,289,107,937.01 - Step 5: Solve for x
x = 12,617,289,107,937.01/3,387,837.84 - Step 6: Final answer
x = 3,724,289.56
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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.