Home / 3,916,165.20-5,871,137.40-2,143,237.20

Finding the Fourth Proportional to 3,916,165.20, 5,871,137.40 and 2,143,237.20

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Solution

The fourth proportional to 3,916,165.20, 5,871,137.40 and 2,143,237.20 is: 3,213,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,165.20 : 5,871,137.40 = 2,143,237.20 : x
  2. Step 2: Convert to fraction form
    3,916,165.20/5,871,137.40 = 2,143,237.20/x
  3. Step 3: Cross multiply
    3,916,165.20x = 5,871,137.40 × 2,143,237.20
  4. Step 4: Simplify right side
    3,916,165.20x = 12,583,240,081,991.28
  5. Step 5: Solve for x
    x = 12,583,240,081,991.28/3,916,165.20
  6. Step 6: Final answer
    x = 3,213,153.54

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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.