Finding the Fourth Proportional to 5,239,107.68, 7,226,071.36 and 4,626,179.06
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Solution
The fourth proportional to 5,239,107.68, 7,226,071.36 and 4,626,179.06 is: 6,380,685.80
Step by Step Solution
- Step 1: Write the proportion equation
5,239,107.68 : 7,226,071.36 = 4,626,179.06 : x - Step 2: Convert to fraction form
5,239,107.68/7,226,071.36 = 4,626,179.06/x - Step 3: Cross multiply
5,239,107.68x = 7,226,071.36 × 4,626,179.06 - Step 4: Simplify right side
5,239,107.68x = 33,429,099,964,001.91 - Step 5: Solve for x
x = 33,429,099,964,001.91/5,239,107.68 - Step 6: Final answer
x = 6,380,685.80
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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.