Finding the Fourth Proportional to 5,275,168.66, 7,912,515.21 and 2,199,893.08
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Solution
The fourth proportional to 5,275,168.66, 7,912,515.21 and 2,199,893.08 is: 3,299,740.46
Step by Step Solution
- Step 1: Write the proportion equation
5,275,168.66 : 7,912,515.21 = 2,199,893.08 : x - Step 2: Convert to fraction form
5,275,168.66/7,912,515.21 = 2,199,893.08/x - Step 3: Cross multiply
5,275,168.66x = 7,912,515.21 × 2,199,893.08 - Step 4: Simplify right side
5,275,168.66x = 17,406,687,455,873.75 - Step 5: Solve for x
x = 17,406,687,455,873.75/5,275,168.66 - Step 6: Final answer
x = 3,299,740.46
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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.