Home / 5,718,720.67-7,889,861.77-3,654,944.28

Finding the Fourth Proportional to 5,718,720.67, 7,889,861.77 and 3,654,944.28

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Solution

The fourth proportional to 5,718,720.67, 7,889,861.77 and 3,654,944.28 is: 5,042,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,720.67 : 7,889,861.77 = 3,654,944.28 : x
  2. Step 2: Convert to fraction form
    5,718,720.67/7,889,861.77 = 3,654,944.28/x
  3. Step 3: Cross multiply
    5,718,720.67x = 7,889,861.77 × 3,654,944.28
  4. Step 4: Simplify right side
    5,718,720.67x = 28,837,005,137,114.81
  5. Step 5: Solve for x
    x = 28,837,005,137,114.81/5,718,720.67
  6. Step 6: Final answer
    x = 5,042,562.28

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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.