Home / 3,210,911.37-4,806,919.20-2,143,305.45

Finding the Fourth Proportional to 3,210,911.37, 4,806,919.20 and 2,143,305.45

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Solution

The fourth proportional to 3,210,911.37, 4,806,919.20 and 2,143,305.45 is: 3,208,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,911.37 : 4,806,919.20 = 2,143,305.45 : x
  2. Step 2: Convert to fraction form
    3,210,911.37/4,806,919.20 = 2,143,305.45/x
  3. Step 3: Cross multiply
    3,210,911.37x = 4,806,919.20 × 2,143,305.45
  4. Step 4: Simplify right side
    3,210,911.37x = 10,302,696,119,069.64
  5. Step 5: Solve for x
    x = 10,302,696,119,069.64/3,210,911.37
  6. Step 6: Final answer
    x = 3,208,651.67

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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.