Home / 3,847,825.35-5,309,171.78-2,319,899.67

Finding the Fourth Proportional to 3,847,825.35, 5,309,171.78 and 2,319,899.67

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Solution

The fourth proportional to 3,847,825.35, 5,309,171.78 and 2,319,899.67 is: 3,200,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,825.35 : 5,309,171.78 = 2,319,899.67 : x
  2. Step 2: Convert to fraction form
    3,847,825.35/5,309,171.78 = 2,319,899.67/x
  3. Step 3: Cross multiply
    3,847,825.35x = 5,309,171.78 × 2,319,899.67
  4. Step 4: Simplify right side
    3,847,825.35x = 12,316,745,860,395.31
  5. Step 5: Solve for x
    x = 12,316,745,860,395.31/3,847,825.35
  6. Step 6: Final answer
    x = 3,200,962.81

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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.