Finding the Fourth Proportional to 3,783,489.56, 5,221,326.65 and 2,064,720.99
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Solution
The fourth proportional to 3,783,489.56, 5,221,326.65 and 2,064,720.99 is: 2,849,375.57
Step by Step Solution
- Step 1: Write the proportion equation
3,783,489.56 : 5,221,326.65 = 2,064,720.99 : x - Step 2: Convert to fraction form
3,783,489.56/5,221,326.65 = 2,064,720.99/x - Step 3: Cross multiply
3,783,489.56x = 5,221,326.65 × 2,064,720.99 - Step 4: Simplify right side
3,783,489.56x = 10,780,582,719,577.78 - Step 5: Solve for x
x = 10,780,582,719,577.78/3,783,489.56 - Step 6: Final answer
x = 2,849,375.57
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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.