Finding the Fourth Proportional to 3,567,997.68, 5,351,948.67 and 872,346.14
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Solution
The fourth proportional to 3,567,997.68, 5,351,948.67 and 872,346.14 is: 1,308,507.50
Step by Step Solution
- Step 1: Write the proportion equation
3,567,997.68 : 5,351,948.67 = 872,346.14 : x - Step 2: Convert to fraction form
3,567,997.68/5,351,948.67 = 872,346.14/x - Step 3: Cross multiply
3,567,997.68x = 5,351,948.67 × 872,346.14 - Step 4: Simplify right side
3,567,997.68x = 4,668,751,736,992.89 - Step 5: Solve for x
x = 4,668,751,736,992.89/3,567,997.68 - Step 6: Final answer
x = 1,308,507.50
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1.5x scale
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.