Finding the Fourth Proportional to 3,244,992.81, 4,479,468.91 and 2,021,902.63
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Solution
The fourth proportional to 3,244,992.81, 4,479,468.91 and 2,021,902.63 is: 2,791,084.75
Step by Step Solution
- Step 1: Write the proportion equation
3,244,992.81 : 4,479,468.91 = 2,021,902.63 : x - Step 2: Convert to fraction form
3,244,992.81/4,479,468.91 = 2,021,902.63/x - Step 3: Cross multiply
3,244,992.81x = 4,479,468.91 × 2,021,902.63 - Step 4: Simplify right side
3,244,992.81x = 9,057,049,953,878.80 - Step 5: Solve for x
x = 9,057,049,953,878.80/3,244,992.81 - Step 6: Final answer
x = 2,791,084.75
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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.