Home / 3,119,197.85-4,679,243.01-960,405.56

Finding the Fourth Proportional to 3,119,197.85, 4,679,243.01 and 960,405.56

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Solution

The fourth proportional to 3,119,197.85, 4,679,243.01 and 960,405.56 is: 1,440,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,197.85 : 4,679,243.01 = 960,405.56 : x
  2. Step 2: Convert to fraction form
    3,119,197.85/4,679,243.01 = 960,405.56/x
  3. Step 3: Cross multiply
    3,119,197.85x = 4,679,243.01 × 960,405.56
  4. Step 4: Simplify right side
    3,119,197.85x = 4,493,971,003,395.14
  5. Step 5: Solve for x
    x = 4,493,971,003,395.14/3,119,197.85
  6. Step 6: Final answer
    x = 1,440,745.74

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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.