Finding the Fourth Proportional to 5,099,136.12, 7,036,540.74 and 2,806,849.08
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Solution
The fourth proportional to 5,099,136.12, 7,036,540.74 and 2,806,849.08 is: 3,873,304.70
Step by Step Solution
- Step 1: Write the proportion equation
5,099,136.12 : 7,036,540.74 = 2,806,849.08 : x - Step 2: Convert to fraction form
5,099,136.12/7,036,540.74 = 2,806,849.08/x - Step 3: Cross multiply
5,099,136.12x = 7,036,540.74 × 2,806,849.08 - Step 4: Simplify right side
5,099,136.12x = 19,750,507,902,451.52 - Step 5: Solve for x
x = 19,750,507,902,451.52/5,099,136.12 - Step 6: Final answer
x = 3,873,304.70
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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.