Home / 3,210,911.87-4,806,919.95-2,143,305.95

Finding the Fourth Proportional to 3,210,911.87, 4,806,919.95 and 2,143,305.95

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Solution

The fourth proportional to 3,210,911.87, 4,806,919.95 and 2,143,305.95 is: 3,208,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,911.87 : 4,806,919.95 = 2,143,305.95 : x
  2. Step 2: Convert to fraction form
    3,210,911.87/4,806,919.95 = 2,143,305.95/x
  3. Step 3: Cross multiply
    3,210,911.87x = 4,806,919.95 × 2,143,305.95
  4. Step 4: Simplify right side
    3,210,911.87x = 10,302,700,130,008.70
  5. Step 5: Solve for x
    x = 10,302,700,130,008.70/3,210,911.87
  6. Step 6: Final answer
    x = 3,208,652.42

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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.