Home / 3,131,154.48-4,695,251.34-1,212,964.10

Finding the Fourth Proportional to 3,131,154.48, 4,695,251.34 and 1,212,964.10

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Solution

The fourth proportional to 3,131,154.48, 4,695,251.34 and 1,212,964.10 is: 1,818,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,154.48 : 4,695,251.34 = 1,212,964.10 : x
  2. Step 2: Convert to fraction form
    3,131,154.48/4,695,251.34 = 1,212,964.10/x
  3. Step 3: Cross multiply
    3,131,154.48x = 4,695,251.34 × 1,212,964.10
  4. Step 4: Simplify right side
    3,131,154.48x = 5,695,171,315,896.90
  5. Step 5: Solve for x
    x = 5,695,171,315,896.90/3,131,154.48
  6. Step 6: Final answer
    x = 1,818,872.67

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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.