Home / 2,684,511.67-4,024,380.43-978,334.56

Finding the Fourth Proportional to 2,684,511.67, 4,024,380.43 and 978,334.56

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Solution

The fourth proportional to 2,684,511.67, 4,024,380.43 and 978,334.56 is: 1,466,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,511.67 : 4,024,380.43 = 978,334.56 : x
  2. Step 2: Convert to fraction form
    2,684,511.67/4,024,380.43 = 978,334.56/x
  3. Step 3: Cross multiply
    2,684,511.67x = 4,024,380.43 × 978,334.56
  4. Step 4: Simplify right side
    2,684,511.67x = 3,937,190,457,256.66
  5. Step 5: Solve for x
    x = 3,937,190,457,256.66/2,684,511.67
  6. Step 6: Final answer
    x = 1,466,631.90

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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.