Home / 3,134,858.30-4,702,287.46-1,639,408.70

Finding the Fourth Proportional to 3,134,858.30, 4,702,287.46 and 1,639,408.70

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Solution

The fourth proportional to 3,134,858.30, 4,702,287.46 and 1,639,408.70 is: 2,459,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,858.30 : 4,702,287.46 = 1,639,408.70 : x
  2. Step 2: Convert to fraction form
    3,134,858.30/4,702,287.46 = 1,639,408.70/x
  3. Step 3: Cross multiply
    3,134,858.30x = 4,702,287.46 × 1,639,408.70
  4. Step 4: Simplify right side
    3,134,858.30x = 7,708,970,971,824.90
  5. Step 5: Solve for x
    x = 7,708,970,971,824.90/3,134,858.30
  6. Step 6: Final answer
    x = 2,459,113.06

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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.