Home / 5,317,247.80-7,965,374.10-3,180,986.20

Finding the Fourth Proportional to 5,317,247.80, 7,965,374.10 and 3,180,986.20

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Solution

The fourth proportional to 5,317,247.80, 7,965,374.10 and 3,180,986.20 is: 4,765,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,247.80 : 7,965,374.10 = 3,180,986.20 : x
  2. Step 2: Convert to fraction form
    5,317,247.80/7,965,374.10 = 3,180,986.20/x
  3. Step 3: Cross multiply
    5,317,247.80x = 7,965,374.10 × 3,180,986.20
  4. Step 4: Simplify right side
    5,317,247.80x = 25,337,745,089,937.42
  5. Step 5: Solve for x
    x = 25,337,745,089,937.42/5,317,247.80
  6. Step 6: Final answer
    x = 4,765,199.22

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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.