Finding the Fourth Proportional to 5,609,311.68, 8,421,801.84 and 2,878,769.28
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Solution
The fourth proportional to 5,609,311.68, 8,421,801.84 and 2,878,769.28 is: 4,322,174.59
Step by Step Solution
- Step 1: Write the proportion equation
5,609,311.68 : 8,421,801.84 = 2,878,769.28 : x - Step 2: Convert to fraction form
5,609,311.68/8,421,801.84 = 2,878,769.28/x - Step 3: Cross multiply
5,609,311.68x = 8,421,801.84 × 2,878,769.28 - Step 4: Simplify right side
5,609,311.68x = 24,244,424,419,239.47 - Step 5: Solve for x
x = 24,244,424,419,239.47/5,609,311.68 - Step 6: Final answer
x = 4,322,174.59
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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.