Finding the Fourth Proportional to 5,159,118.24, 7,738,850.80 and 2,319,239.84
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Solution
The fourth proportional to 5,159,118.24, 7,738,850.80 and 2,319,239.84 is: 3,478,937.73
Step by Step Solution
- Step 1: Write the proportion equation
5,159,118.24 : 7,738,850.80 = 2,319,239.84 : x - Step 2: Convert to fraction form
5,159,118.24/7,738,850.80 = 2,319,239.84/x - Step 3: Cross multiply
5,159,118.24x = 7,738,850.80 × 2,319,239.84 - Step 4: Simplify right side
5,159,118.24x = 17,948,251,091,175.87 - Step 5: Solve for x
x = 17,948,251,091,175.87/5,159,118.24 - Step 6: Final answer
x = 3,478,937.73
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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.