Finding the Fourth Proportional to 3,416,511.96, 4,715,507.34 and 2,842,993.08
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Solution
The fourth proportional to 3,416,511.96, 4,715,507.34 and 2,842,993.08 is: 3,923,930.28
Step by Step Solution
- Step 1: Write the proportion equation
3,416,511.96 : 4,715,507.34 = 2,842,993.08 : x - Step 2: Convert to fraction form
3,416,511.96/4,715,507.34 = 2,842,993.08/x - Step 3: Cross multiply
3,416,511.96x = 4,715,507.34 × 2,842,993.08 - Step 4: Simplify right side
3,416,511.96x = 13,406,154,736,309.21 - Step 5: Solve for x
x = 13,406,154,736,309.21/3,416,511.96 - Step 6: Final answer
x = 3,923,930.28
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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.