Finding the Fourth Proportional to 5,702,698.56, 7,869,723.84 and 3,124,476.96
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Solution
The fourth proportional to 5,702,698.56, 7,869,723.84 and 3,124,476.96 is: 4,311,778.11
Step by Step Solution
- Step 1: Write the proportion equation
5,702,698.56 : 7,869,723.84 = 3,124,476.96 : x - Step 2: Convert to fraction form
5,702,698.56/7,869,723.84 = 3,124,476.96/x - Step 3: Cross multiply
5,702,698.56x = 7,869,723.84 × 3,124,476.96 - Step 4: Simplify right side
5,702,698.56x = 24,588,770,819,642.73 - Step 5: Solve for x
x = 24,588,770,819,642.73/5,702,698.56 - Step 6: Final answer
x = 4,311,778.11
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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.