Finding the Fourth Proportional to 5,697,511.20, 7,861,308.36 and 3,373,249.68
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Solution
The fourth proportional to 5,697,511.20, 7,861,308.36 and 3,373,249.68 is: 4,654,340.29
Step by Step Solution
- Step 1: Write the proportion equation
5,697,511.20 : 7,861,308.36 = 3,373,249.68 : x - Step 2: Convert to fraction form
5,697,511.20/7,861,308.36 = 3,373,249.68/x - Step 3: Cross multiply
5,697,511.20x = 7,861,308.36 × 3,373,249.68 - Step 4: Simplify right side
5,697,511.20x = 26,518,155,909,751.33 - Step 5: Solve for x
x = 26,518,155,909,751.33/5,697,511.20 - Step 6: Final answer
x = 4,654,340.29
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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.